Math, asked by SIddu748, 1 year ago

cos/(1-tan)+sin/(1-cot)=sin+cos

Answers

Answered by sandy1816

1

Step-by-step explanation:

cos/(1-tan)+sin(1-cot)

=cos²/(cos-sin)+sin²/(sin-cos)

=cos²/(cos-sin)-sin²/(cos-sin)

=cos²-sin²/cos-sin

=cos+sin

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