Question

please solve my question correctly correctly correctly......don't spam......explanation must...​

Answer 1

Answer:

2

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Using identify :- (a²+b²) = (a+b)²-2ab

and ,(a³+b³) = (a+b)(a²+b²-ab)

where, a = sin²@ and b = cos²b

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Solution is in this given attachment !

Sry for bad handwriting. !

Hope it's helpful !

Answer 2

Answer:

refer to this attachment ✅✅