Answer:
Its 16
Step-by-step explanation:
i had the same question and this was the answer on the unit test
a) cosθ =
<u><em> Step(i):</em></u>-
Given point ( x , y ) = ( - 2 , 3 )
We know that the polar co-ordinates
x = r cos θ and y = r sinθ
where
<u><em>Step(ii)</em></u>:-
x = r cos θ
cosθ
cosθ =
the answers are
A.
C.
D.
E.