How much is cos 75

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What is the root sign of cos 75

Change 75 degrees to 30 degrees plus 45 degrees, so cos (45+30) equals 4/[√ 2 • (√ (3) - 1)]. Additional brackets are added to avoid ambiguity.

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Love for a long time, love for a long time 2023-09-06 15:38:46

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2021qq beautiful sad signature

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What does it mean

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The "Yan" of "You He Yan" is an interrogative modal particle, which can be translated as "Yan". From the debate on Cao Gui by Zuo Qiuming in the pre Qin period.
Excerpt from the original text: In the spring of the tenth year, Qi Shi attacked me. General Cao Gui, please see me. His countryman said, "Where is the meat eater?" Gui said, "The meat eater is despicable. He can't think far.". Ask: "How can we fight?" The public said: "If the clothing and food are secure, we can't be expert, and we will divide people." The opposite said: "People can't follow the small benefits before they are fully satisfied."
In the spring of the tenth year of Duke Zhuang of Lu, the Qi army attacked Lu. Duke Lu Zhuang is going to fight. Cao Gui asked Duke Zhuang of Lu to meet him. His fellow townsman said, "The people in power can plan wars. Why do you want to participate?" Cao Gui said, "The people in power are short-sighted and can't think far." So he went to the court to see Duke Zhuang of Lu. Cao Gui asked, "What do you rely on to fight?" Duke Zhuang of Lu said, "I don't dare to enjoy such health preserving things as clothing and food alone, but I must give them to people around me." Cao Gui replied, "These small favors can't spread to the people, and the people will not listen to you."
It tells Cao Gui's comments on the war in the battle of the ladle, and the historical facts of fighting back the powerful Qi army with the principle of "one blow, another decline, three exhaustion". The language of the article, whether narrative or character dialogue, is extremely concise and concise, ideographic and logical, accessible and clear. The scattered sentences, parallelism and occasional sentences in the writing are well arranged, which enhances the vivid effect of narrative writing. Among them, Cao Gui's language is particularly brilliant, such as the command language on the battlefield, which is short and clear, which not only sets off the urgency of the war and has no time to analyze the war strategy, but also shows Cao Gui's quick thinking and firm and confident attitude when facing the battle.

Ancient Poems Describing Winter (Complete Poem)

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An ancient poem describing winter (the whole poem):
1. Two orioles are singing in the green willows, and one line of white dew is in the sky. The window contains the snow of the west ridge in autumn, and the door berths the ships of the Eastern Wu Dynasty—— Du Fu's quatrain
2. Thousands of mountains and birds fly away, thousands of paths and people disappear. In a lonely boat, the rainbows and bamboo hats catch the snow in the cold river alone—— Snow on the River by Liu Zongyuan
3. Several branches of plum blossom blossom in the corner, and Linghan blooms alone. Knowing from afar that it is not snow, for there is a faint fragrance -- Wang Anshi's Plum Blossom
4. The dark mountain is far away at sunset, and the white house is poor in cold weather. When Chaimen hears dogs barking, they will return home at night—— Liu Changqing, The Master of Hibiscus Mountain in the Snow
5. In the spring, when the land contends for luxury, Luoyang Garden becomes more and more crowded. Who will cut and carve ten thousand piles of snow on the flat land into this ceiling—— Han Yu's Two Plum Blossoms
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7. The wind at the end of the year is bleak, and the clouds pass through the sun and snow. No hope in the ear, bright in the eyes have been clean—— Tao Yuanming's "Guimao Year Old in December and Respecting My Younger Brother"

Time of Shang Yang's Reform

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Shang Yang's reform was carried out twice in 356 BC and 350 BC. The reform was carried out twice with the main content of "abandoning the fields, opening the paths, implementing the prefecture and county system, rewarding farming, weaving and fighting, and practicing the method of sitting together".
Shang Yang's economic reform focused on abolishing the well field system and implementing private ownership of land. This is the only case in the Warring States Period when countries used national political and legal means to change land ownership nationwide.
Economic measures:
1. Waste fields and open paths:
The law stipulates that people are allowed to open up wasteland, land can be freely bought and sold, and taxes are paid equally according to the amount of land occupied by each person. Since then, although the Qin government still owned some state-owned land, such as landless wasteland, mountains and rivers, and newly occupied land in other countries, it later turned to private ownership. This destroyed the production relations of slavery and promoted the development of feudal economy.
2. Emphasize agriculture and restrain business, reward farming and weaving:
According to the regulations, those who produce more food and cloth can be exempted from labor and taxes, and take agriculture as their "primary business" and commerce as their "final business". The whole family will be punished as official slaves if they are poor due to abandoning the original and seeking the end, or idleness. Shang Yang also recruited landless farmers to open up wasteland in the State of Qin. In order to encourage the small peasant economy, it is also stipulated that every family with two sons must be separated at the age of adulthood and earn a living independently, otherwise they will pay double taxes.
3. Unified measures:
In order to ensure the tax revenue of the country, Shang Yang made a standard weighing instrument. Now, the "Shang Yang quantity" has been handed down. At that time, it was very serious to unify the weighing instrument. Shang Yang also unified measures such as bucket, bucket, weight, weight, zhang and chi. It is required that the people of the State of Qin must strictly implement it and must not violate it.

The difference between disclosure and openness

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The difference between disclosure and openness:
1. The specific meanings of the two are different.
Exposed is used to express events and objects. It refers to naked disclosure, and also refers to exposure, uncovered, exposed, exposed. Frankness is often used to express thoughts and feelings. It refers to expressing (thoughts and feelings) frankly.
2. The specific usage of the two is different.
Both "disclosure" and "exposure" can be used to express frank disclosure, but if only in words, not in front of others or exposed to others, only "disclosure" can be used.
Make sentences openly:
1. I revealed my idea to my mother and got her support.
2. It was so hot that he was topless.
3. The peasants bared their right arms as a sign of the uprising.
Sentence making:
1. He unbuttoned his coat, bared his chest and rode away.
2. For the first time in more than a year, he was frank about the conflict last season.
3. This is not the time to confide in others or share your secrets with others. On the contrary, this is the time to listen to others.

How much is cos 75

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