1.

What is the value of(a) (b) (c) (d) ​

Answer»

HII its tom85

=sin^2a + sin^2atan^2a

=sin^2a(1 + tan^2a)

=sin^2a(sec^2a)

=sin^2a/cos^2a

=tan^2a

using

1+ tan^2a= sec^2a

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hope it MAY HELPS you DUDE



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