English, asked by shifa5, 5 months ago

evaluate (secq+tanq)(1-sinq)

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Answered by llMrExtinctll

2

Answer:

$(secq+tanq)(1-sinq) \\ \\ = ( \dfrac{1}{cosq} + \dfrac{sinq}{cosq} )(1 - sinq) \\ \\ = \dfrac{1 - {sin}^{2}q }{cosq} \\ \\ = \dfrac{ {cos}^{2}q }{cosq} \\ \\ = cosq$

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