Math, asked by gauravkandoi1953, 1 year ago

Cot titha=7/2. Evaluate (1+sin titha) (1-sin titha)/(1+cos titha)(1-cos titha

Answers

Answered by komali1110

0

1 - sin2 titha/1 - cos2 ditya

=cos2titha/ sin2titha

= (cot titha)2

=(7/2)'2

=49/4

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