Question

Sin2 30 +sin2 45 +sin2 60=3/2

Answer 1

Answer:sin30=1/2,sin45=1/√2,

sin60=√3/2

Now,sin²30+sin²45+sin²60

=1/2×1/2+1/2+3/4

=1/4+1/2+3/4

=1+2+3/4

=6/4=3/2

Step-by-step explanation:

Hope it helps....

Answer 2

Answer:

Step-by-step explanation:

1/4+1/2+3/4

2+4+6/8

12/8

3/2

3/2=3/2 hence proved pilla bacha question