Show that \(\dfrac{1-\sin x}{\cos x}+\dfrac{\cos x}{1-\sin x}=2\sec x\).[3]
Hence solve the equation \(\dfrac{1-\sin\frac\theta2}{\cos\frac\theta2}+\dfrac{\cos\frac\theta2}{1-\sin\frac\theta2}=3\) for \(0^\circ\le\theta\le720^\circ\).[3]
Solution:
Solution locked
Sign in to view the step-by-step solution
Similar questions are unavailable for this question.