Properties Derived from Trigonometric Identities
Trending Questions
Q. Sum to infinite terms of the series cot−1(12+34)+cot−1(22+34)+cot−1(32+34)+....... is
- tan−12
- π4
- tan−13
- cot−13
Q.
If sin−1x=θ+β and sin−1 y=θ−β, then 1+xy=