Math, asked by jainhgmailcom706, 1 year ago

Cot -1 (cosx-sinx /cosx+sinx )

Answers

Answered by abhishek0404
0

Sinx/cosx-cosx/sinx

------------

= tan(x) - cot(x)

---

= (sin^2 - cos^2)/(sin*cos)

= -cos(2x)/(sin(2x)/2)

= -2cot(2x)

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