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Prove that Sin 2 12 +sin 2 21+sin2 39 +sin 2 48 = 1+sin 2 9+sin 2 18 Prove that Sin2 12 +sin221+sin2 39 +sin248 = 1+sin2 9+sin2 18
Prove that
Sin2 12 +sin221+sin2 39 +sin248 = 1+sin2 9+sin2 18
Sorry the exact question is: instead of sin 2 39 it is sin2 39 Sin2 12 +sin221+sin2 39 +sin248 = 1+sin2 9+sin2 18
Sorry the exact question is:
instead of sin 2 39 it is sin2 39
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