Math, asked by Anonymous, 1 year ago

if sin2a=2sina*cosa so,sin4a=?

Answers

Answered by Anonymous

1

2sin2a*cos2a.............

SouravKumarchoudhary: hi

Answered by SouravKumarchoudhary

1

Sin2a= 2sinAcosA
sin4A=sin 2*(2A)
= 2sin2Acos2A

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