prove that ...............no.10
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Hey !!
well : Here is ur solution !!
sin²A cos²B - cos²A sin²B
sin²A(1-sin²B ) - (1 - sin²A ) sin²B
sin²A -sin²A×sin²B- sin²B + sin²A ×sin²B
change cos² into (1-sin²)
so,
sin²A - sin²B =RHS simple
*******************************
Hope it doesn't help you !!☺
@Rajukumar111
well : Here is ur solution !!
sin²A cos²B - cos²A sin²B
sin²A(1-sin²B ) - (1 - sin²A ) sin²B
sin²A -sin²A×sin²B- sin²B + sin²A ×sin²B
change cos² into (1-sin²)
so,
sin²A - sin²B =RHS simple
*******************************
Hope it doesn't help you !!☺
@Rajukumar111
Answered by
0
Hope this help........
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