Question

Find the value of
2 sin^2 3π/4 + 3 cos^2 3π/4 -2 tan^2 3π/4


please help me.
I am not getting this​

Answer 1

Answer:

3/2

Step-by-step explanation:

2sin²3π/4+3cos²3π/4-2tan²3π/4

=2sin²3*45°+3cos²3*45°-2tan²3*45°

=2*3*(1/√2)²+3*3*(1/√2)²-2*3*(1)²

=6*1/2+9*1/2-6*1

=3+9/2-6

=(6+9-12)/2

=(9-6)/2

=3/2(answer)

Answer 2

Answer:

that is good answer and that is very interesting answer