Question

Sin^2 (x+5/2)+ cos^2(2x/3)= tan^2 45 so find value of x

Answer 1

sin2(x+5/2) +cos2(2x+3)=1
It posible only when x+5/2=2x+3
x=5/2-3
x=-1/2.

Answer 2

Answer:

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