Frequent Inverse Trigonometric Functions Questions

tan-1(tan 7) = a:7-2Î b:2Î -7 c:7 Please give the reason behind the answer. ...

1)If sin-1x + tan -1x = , then 2x2 + 1= 2)2 sin -1x = cos-1 (1 -2x2) is true for a. -1<=x<=1 b.-1<=x<=0 c.0<=x<=1 d.None of these 3)7)If sin-1x+sin-1y=2pi/3, cos-1x–cos-1y=pi/3, the number of ordered pairs ...

α ≤ sin-1x + tan-1x + cos-1x ≤ β then a) α =0, β = π b) α =0, β = ~~frac{pi }{2} c) α = frac{pi }{2} , β =π d) None of these ...

simplify plz:- tan-1( (3a2x-x3)/a(a2-3x2) ) ...

If sin-1x + tan -1x = frac{pi }{2} , then 2x2 + 1= ...

2 sin -1x = cos-1 (1 -2x2) is true for ...

If sin-1x+sin-1y= frac{2pi}{3} , cos-1x–cos-1y= frac{pi}{3} , the number of ordered pairs (x, y) is ...

The value of cos-1(cos12) - sin-1(sin12) is ...

tan(cos-1x) = sin(cot-11/2), x is ...

If x ≥ 1, then 2 tan -1x + sin-1 frac{2x}{1+{{x}^{2}}} is ...

If cosec-1x = 2 cot-12 + cos-1 (frac{3}{5}) , then x = ...