6. Find sinx/2 , cosx/2, tanx/2 Cosx= -1/3 ; x in 3rd quadrant

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\sin x = \frac{\sqrt{5}}{3}

\cos \frac{x}{2}, \sin \frac{x}{2} and \tan \frac{x}{2}

\sin x = \frac{1}{4}

\cos \frac{x}{2}, \sin \frac{x}{2} and \tan \frac{x}{2}

\cos x = - \frac{3}{5}

\cos \frac{x}{2}, \sin \frac{x}{2}, \sin 2 x

\cos x = - \frac{3}{5}

\sin \frac{x}{2}

cos x = - \frac{1}{\sqrt{2}}

x \in 3 r d

sin \frac{x}{2}, cos \frac{x}{2} a n d tan \frac{x}{2}

tan x = - \frac{4}{3},

I I

cos x = - \frac{1}{3}

I I I

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