Math, asked by sandy3018, 1 year ago

ir sinx + sin y= 3/4and sin x - sin y = 2/5, then prove that 8cot (x-y/2) =15cot (x+y/2)

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Answered by brunoconti

3

Answer:

Step-by-step explanation:

BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST

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