3
The value of
2tan-1[cosec(tan-1x) - tan(cot-1x)]
Go to Discussion
Solution
1
If n1 and n2 are the number of real valued solutions x=|sin–1x| & x=sin(x) respectively, then the value of n2–n1 is
Go to Discussion
Solution
2
The correct expression for cos−1(−x) is
Go to Discussion
Solution
You should learn it as an important formula.
1
The value of cot(cosec−153+tan−123) is
Go to Discussion
Solution
4
Solutions of the equation tan−1√x2+x+sin−1√x2+x+1=π2 are
Go to Discussion
Solution
4
If cos−1x2+cos−1y3=ϕ, then 9x2−12xycosϕ+4y2 is
Go to Discussion
Solution
4
Find the principal value of

is
Go to Discussion
Solution

3
The value of sin−11√2+sin−1√2−√1√6+sin−1√3−√2√12+... to infinity , is equal to
Go to Discussion
Solution
[{"qus_id":"3790","year":"2018"},{"qus_id":"4279","year":"2017"},{"qus_id":"4280","year":"2017"},{"qus_id":"4282","year":"2017"},{"qus_id":"9476","year":"2020"},{"qus_id":"11110","year":"2022"},{"qus_id":"11128","year":"2022"},{"qus_id":"11144","year":"2022"},{"qus_id":"11153","year":"2022"},{"qus_id":"11536","year":"2023"},{"qus_id":"10226","year":"2015"}]