Express 1+2 sin theta cos theta as a perfect square
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1+2sinθcosθ = sin²θ + cos²θ + 2sinθcosθ = (sinθ + cosθ)²
Roselene:
r u sure here the sum ends!!
well (a+b)^2 is a perfect square
if u want i can also say it as 2(sin(45+theta))^2
which is aperfect square too
oh OK thanks bro
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