Question

root 2 cos A equal to cos b + cos 2B and root 2 sin a equal to Sin B minus sin cube B then sinof a minus b equal to​

Answer 1

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the above question is extremely simple to do, and A = 15, B = 30 degreeto solve this, simply write sin2A and sin2B in the second equation in terms of cos2A

the above question is extremely simple to do, and A = 15, B = 30 degreeto solve this, simply write sin2A and sin2B in the second equation in terms of cos2A