Math, asked by Anonymous, 4 months ago

please answer this question:

Q. cos(θ) + cos(-θ)/ tanθ + cotθ

Answers

Answered by devangnivasava
1

Step-by-step explanation:

cos(theta)+cos(-theta)/tan(theta)+cot(theta)

= cos(theta)+cos(theta)/tan(theta)+1/tan(theta)

= 2cos(theta)/tan^2(theta)+1/tan(theta)

=2cos(theta) tan(theta)/sec^2(theta)

= 2sin(theta)/sec^2(theta)

because cos (x) = cos(-x)

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