Math, asked by dh26, 1 month ago

1-tan²A/cot²A-1=tan²A...Prove

Answers

Answered by vikashpatnaik2009

1

Answer:

tan2x−cot2x=sin2xcos2x−cos2xsin2x

=sin4x−cos4xcos2xsin2x

=sin2x−cos2xcos2xsin2x

=1cos2x−1sin2x

=sec2x−csc2x

=sec2x(1−csc2xsec2x)

=sec2x(1−cos2xsin2x)

=sec2x(1−cot2x).

Answered by srishanth30

1

Answer:

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