Math, asked by wifi14718, 11 months ago

sin (90-A) + cos (180-2A)
Cos (90-2A) + sin (180-A)
Cetan (A)
:

Answers

Answered by swetha6325

0

Answer:

sin(90-A) +cos(180-2A) =cosA-cos2A

cos(90-2A) +sin(180-A) =sin2A+sinA

Answered by keshav8261

0

Step-by-step explanation:

sin(90-2A)+cos(180-2A)=cosA-cos2A

cos(90-2A)+sin(180-A)=cos2A-sinA

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