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If cos x = - (1)/(3), x lies in III quar...

If `cos x = - (1)/(3)`, `x` lies in III quardrnat, then find the values of `sin(x/2), cos (x/2) and tan (x/2)`.

Text Solution

Verified by Experts

The correct Answer is:
`sin (x/2) = (sqrt(6))/(3) , cos (x/2) = - (sqrt(3))/(3) , tan (x/2) = - sqrt(2)`
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