SSC Government Jobs Exams Numerical Ability Trigonometry

If cos x = sin 200º, then the possible values of x?

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as we know if cos(x)=sin(y) then (x+y) degree = 90 degree so x+200= should 90 degree so the possible value of x= +240 degree and -110 degree
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cosx=sin(270+30)
in 3rd quar cos is +ve so
sin270=cos30
x=30ans
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x=110
cos inverse (sin200)=110
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SSC Other Question

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