plzanswer plzzzz of this question okk
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4 sin 2A = 4 sin 30°
cos 4A = cos 60°
sin 6A = sin 90°
sin 30° = 1/2
4 sin 30° = 4 * 1/2 = 2
cos 60° = 1/2
sin 90° = 1
LHS =
2 . 1/2 . 1
= 1
= RHS
hence proved
cos 4A = cos 60°
sin 6A = sin 90°
sin 30° = 1/2
4 sin 30° = 4 * 1/2 = 2
cos 60° = 1/2
sin 90° = 1
LHS =
2 . 1/2 . 1
= 1
= RHS
hence proved
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if this help plz mark as brainliest.........:)
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