Sin2A ka formula
Sin3A
Cos2A
Cos3A
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Answer:
sin2A = 2sinAcosA
sin3A = 3sinA - 4sin^3A
cos2A = cos^2A - sin^2A
cos3A = 4cos^3A - 3cosA
Answer:
Sin 2A :
2SinA. CosA
Sin 3A:
3sinA-4sin^3A
Cos 2A:
Cos 3A:
4Cos^3A-3CosA
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