Question

if sin theta is equal to cos theta then find theta

Answer 1

sinθ=cosθ
cos(90-θ)=cosθ
angles will be=
90-θ=θ
90=2θ
θ=90/2
θ=45
we are done, θ=45

Answer 2

if
sin theta = cos theta
then theta is equal to 45°
as sin theta= cos(90-theta),
so this condition is possible only when theta=45°

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