Given A = 30degree , verify sin 2A =2 sin A cosA.
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Answered by
4
Step-by-step explanation:
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Sin2(30)=2sin(30)cos(30)
sin60=2(1/2)(root3/2)
root3/2=root3/2
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Answered by
1
Answer:
Step-by-step explanation:
A = 30 degree
LHS:-
Sin 2A=sin 2*30=sin 60=√3/2
RHS:-
2 sin A cos A = 2*sin 30*cos30 =2*1/2*√3/2=2*√3/4=√3/2
LHS= RHS
Sin2A=2sinAcosA
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