Math, asked by tprasad9492080, 11 months ago

Proves sinA+sin2A÷1+cosA+cos2A=tanA

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Answered by sprao534

0

please see the attachment

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Answered by nakshu14

0

Answer:

sinA+sin2A. =. sinA+2sinAcosA

1+cosA+cos2A. (1+cos2A)+cosA

=. sinA+2sinAcosA

2cos^2A+cosA

=. sinA(1+2cosA).

cosA(1+2cosA)

=. sinA

cosA

. =. tanA

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