Solve the following equations for which solution lies in the interval – InterviewSolution

InterviewSolution

1.	Solve the following equations for which solution lies in the interval 0^(@) le theta lt 360^(@). (i) sin^(4) x=sin^(2)x (ii) 2 cos x+1=-3 cos x (iii) 2 sin^(2) x+1=3 sin x (iv) cos 2x=1-3x sin x.
Answer» Answer :(i) `0,pi/2, pi, (3pi)/(2),2pi` (ii) `(4pi)/(3) and x=pi` (III) 1 (IV) `pi`

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