Question

3sin^2 60+ cosec^2 90 - 2sin^2 45 + cos^2 30​

Answer 1

Answer:

3Sin²60+Cosec²90-2Sin²45+Cos²30

=3×(√3/2)²+(1)²-2×(1/√2)²+(√3/2)²

=3×3/4+1-2×1/2+3/4

=9/4+3/4

=12/4

=3

Your answer is 3

Hope it will help you.....