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What is sin A cos A tan A + cos A cot A ...

What is sin A cos A tan A + cos A cot A equal to ?

A

sin A

B

cosA

C

tanA

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
Given expression
`=sinAcosA.(sinA)/(cosA)+cosA sinA(cosA)/(sinA)`
`=sin^(2)A+cos^(2)A=1`
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