Question

sin 2A/1+cos 2A=tan A​

Answer 1

Solution

=Sin2A/1+cos2A

= (2sinAcosA) /(1+2cos^(2)A-1)

=(2sinAcosA)/ cos^(2)A

= 2sinA/cosA=2tanA.

Answer 2

Answer:

Answer. sin 2 A = 2 sin A cos A ------ (2). cos 2 A = 2 cos^2 A - 1 --------- (3). tan A.

Step-by-step explanation:

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