sin 2A/1+cos 2A=tan A
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Solution
=Sin2A/1+cos2A
= (2sinAcosA) /(1+2cos^(2)A-1)
=(2sinAcosA)/ cos^(2)A
= 2sinA/cosA=2tanA.
Answered by
3
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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