How do you find the exact value of csc ((5pi)/6)csc(5π6) using the half angle formula?
2 Answers
Explanation:
Half-angle formula for
Putting,
Since,
But,
Hence,
= 2
Explanation:
We can evaluate csc ((5pi)/6) without using half angle formula.
Find
Trig table, and unit circle -->
Therefor,