Math, asked by dhruvika39, 11 months ago

Tan(90-A) cotA /cosec^2A — cos^2A = 0

Answers

Answered by Anonymous

1

Step-by-step explanation:

tan(90-A)cotA/cosec^2A - cos^2A = cotA•cotA/cosec^2A -cos^2 A

= cosA•cosA •sinA•SinA /(sinA•SinA). - cos^2A

=cos^2A - cos^2A =0

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