If x = 30 verify that
Sin 2x=2sin x cos x
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Answered by
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sin 60 = (3^0.5)/2
2sin30cos30 = 2*0.5*(3^0.5)/2 = (3^0.5)/2
2sin30cos30 = 2*0.5*(3^0.5)/2 = (3^0.5)/2
Answered by
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Answer:
sin2x=2sinx.cosx
Step-by-step explanation:
RHS=>
=2sinx. cosx
=2sin(30).cos(30)
=2*1/2*√3/2
=√3/2
LHS=>
=sin2x
=sin(2*30)
=sin(60)
=√3/2
Because LHS=RHS
therefor, => sin2x=2si x. cosx
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