Question

Evaluate sin2 30° + sin2 45°

Answer 1

Heya,

sin²30° + sin²45°

= (1/2)²+(1/√2)²

= 1/4 + 1/2

= 3/4 Answer..

HOPE IT HELPS ^_^

Answer 2

=sin30 +sin245
=sin2(30+45)
=sin275