Math, asked by DevaNandaA, 9 months ago

Prove (1+ sin 2A+cos 2a/sin A + cos A) = 2 cos A

Answers

Answered by Aratrika1603

3

Answer:

LHS

1+cos2A+sin2A/sinA+cosA

=(2cos²A+2sinA cosA)

________________________

sinA+cosA

=2cosA(sinA + cos A)

__________________

(sinA+cosA)

=2cosA= RHS....

Proved...

Hope this helps...

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