MEDIUM
Earn 100

Find the value of cossec-1x+cosec-1x, x1

Important Questions on Inverse Trigonometric Functions

EASY
If 0Aπ4, then tan-112tan2A+tan-1(cotA)+tan-1cot3A is equal to
EASY
Considering only the principal values of inverse functions, the set A=x0 : tan-12x+tan-13x=π4
MEDIUM
If α=cos-135 , β=tan-113 , where 0<α,β<π2, then α-β is equal to
HARD
For any positive integer n, define fn:0, R as fnx=i=1ntan-111+x+jx+j-1 for all x0, .

(Here, the inverse trigonometric function tan-1x assumes values in -π2, π2)

Then, which of the following statement(s) is (are) TRUE?

MEDIUM
Let tan-1 y=tan-1 x+tan-12x1-x2, where x<13,Then a value of y is