trigonometry

Related Questions

• ${{\sin }^{6}}\theta +{{\cos }^{6}}\theta +3{{\sin }^{2}}\theta {{\cos }^{2}}\theta =$

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• The angle of elevation of the top of a tower from a point 20 metre away from its base is 45°. The height of the tower is

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• A flag-post 20m high standing on the top of a house subtends an angle whose tangent is $\frac{1}{6}$ at a distance 70 m from the foot of the house. The height of the house is

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• $\cot \frac{A+B}{2}$. $\tan \frac{A-B}{2}=$

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• If $\tan A+\cot A=4,$then ${{\tan }^{4}}A+{{\cot }^{4}}A$ is equal to

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