Math, asked by rajbanshisandesh56, 1 month ago

tan (225 +A)=cos2A/1-sin2A

Answers

Answered by beautythakuria1993

0

Answer:

tanA=sin2A/1+cos2A. tan22. 5=√2-1.

Step-by-step explanation:

tanA=sin2A/1+ cos2A.

RHS=sin2A/1+cos2A.

=2sinA.cosA/1+2cos^2A- 1.

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