Sin2A = 2SinA then what the value of A.
Find without putting value or hit and trial method.
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Answer:
A = 0⁰
Step-by-step explanation:
we know that sin2A = 2 sinA cosA
as sin2A = 2 sinA cosA = 2 sinA
2 sinA cosA = 2 sinA
⇒ cosA = 1
⇒ A = 0°
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