TanA(1+cos2A)=sin2A prove that
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Answer:
given above in picture.
Verified answer
Answer:
LHS
tan A(1+ cos^2A-sin^2 A)
we know that 1= cos^2A+sin^2 A
Step-by-step explanation:
tan A(cos^2A+sin^2 A+cos^2A-sin^2 A)
tanA.2(cos^2A)
(sinA/cosA)2(cos^2A)
2sinAcosA
sin2A
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