sin2A=2sinA is true when A is equal to____________________.
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no ans is false
let A=30degree
sin2A=2sinA
LHS. =sin2A
=sin^2 30 degree
=sin30 degree=1/2
=(1/2)^2
=1/4
RHS. =2sinA
=2×sin30 degree
=2×1/2
=2/2
=1
1/4 is not equal to 1
LHS is not equal to RHS
hence the answer is false.
hope it helps you
let A=30degree
sin2A=2sinA
LHS. =sin2A
=sin^2 30 degree
=sin30 degree=1/2
=(1/2)^2
=1/4
RHS. =2sinA
=2×sin30 degree
=2×1/2
=2/2
=1
1/4 is not equal to 1
LHS is not equal to RHS
hence the answer is false.
hope it helps you
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