Math, asked by Anonymous, 9 months ago

cos(90-thita)cos thita divide by tan thita + cos square(90-thita) = 1 please answer me

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Answered by anilabhijay5

What is the relation among all the trigonometrical ratios of (90° + θ)?

In trigonometrical ratios of angles (90° + θ) we will find the relation between all six trigonometrical ratios.

Let a rotating line OA rotates about O in the anti-clockwise direction, from initial position to ending position makes an angle ∠XOA = θ again the same rotating line rotates in the same direction and makes an angle ∠AOB =90°.

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