Question

sin²45+sin²30+sin²60=3/2 prove it.​

Answer 1

Answer:

=sin^2 30+sin^2 45+sin^2 60

=(1/2)^2+(1/√2)^2+(√3/2)^2

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

=1+2+4/4

=7/4

Step-by-step explanation:

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