If csc ( x ) = 7 , for 90 ∘ < x < 180 ∘ , then

Question

If csc ( x ) = 7 , for 90 ∘ < x < 180 ∘ , then

sin ( x/2 ) =

cos ( x/2 ) =

tan ( x/2 ) =

Answer 1

Draw and label a diagram!

csc x = 7, sin x = ?, cos x = ?

Now substitute values into appropriate formula.