Question

If A=15°,verify that 4Sin 2A.cos4A sin 6A=1

Answer 1

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Answer 2

put the value of A in given term

4sin 2A.cos 4A . sin 6A = 1
4 sin2 x 15 . cos 4 x 15 .sin 6 x 15
4 sin 30° . cos 60° .sin 90°
4 x 1/2 x 1/2 x 1
1=1

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