6. If theta lies in the second quadrant and tan theta= -5/12
find the value of 2cos/1-sin
Answers
Answered by
1
Answer:
-3
Step-by-step explanation:
tan = -5/12
we know that in the second quadrant sin is (+)ve and cos is (-)ve.
so sin = 5/13 and cos = -12/13
so 2cos/(1-sin) = {2×(-12/13)} / {1- ( 5/13)}
= (-24/13) / (8/13)
= -3
Similar questions