Math, asked by bhaveshsathe14, 1 year ago

evaluate: (sec2theta-1)(1-cosec2theta)

Answers

Answered by roshan3496

1

Step-by-step explanation:

I take theta=a

(sec2a-1)(1-cosec2a)

=(tan2a)(-cot2a)

=(tan2a)(-1/tan2a). (cota=1/tana)

=-1

hope you understand

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