Recent questions tagged inverse trigonometry

+1 vote

1 answer

cot^-1 (ab +1)/(a-b) +cot^-1 (bc+1)/(b-c) +cot^-1 (ca+1)/(c-a) is equal to … (a) 0 (b) π/4 (c) 1 (d) 5

asked Apr 5, 2019 in JEE by kratos

+2 votes

1 answer

If y = cot^-12 + cot^-18 + cot^-118 + … + ∞, then tan y is

asked Apr 1, 2019 in JEE by kratos

+2 votes

1 answer

The greatest real number among sin1, sin2, sin3 and sin (√10 - 2) is

asked Apr 1, 2019 in JEE by kratos

+1 vote

1 answer

The value of tan(tan^-11 + tan^-12 + tan^-13) = (A) 0 (B) tan 1

asked Mar 30, 2019 in JEE by kratos

+1 vote

1 answer

Write in the simplest form: tan^-1(cosx/(1 + sinx)) where - π/2 ≤ x ≤ 3π/2.

asked Mar 29, 2019 in JEE by kratos

+3 votes

1 answer

Find the value of tan[sin^-1(3/5) + cos^-1(3/√13)]

asked Mar 26, 2019 in JEE by kratos

+1 vote

1 answer

If sin^–1x + sin^–1y + sin^–1z = [(2π)/3] then cos^–1x + cos^–1y + cos^–1z = ___________

asked Mar 24, 2019 in JEE by kratos

+1 vote

1 answer

Find the values of tan^−1(tan3π/4).

asked Mar 23, 2019 in Class 12 by kratos

+2 votes

1 answer

P.T. 3cos^-1x = cos^-1(4x^3 – 3x) x ∈ 1/2, 1

asked Mar 23, 2019 in JEE by kratos

+1 vote

1 answer

If sin (cot^–1 (1 + x)) = cos (tan^–1x), then the value of 2x + 3 is

asked Mar 22, 2019 in JEE by kratos

+2 votes

1 answer

Statement I An equation of a common tangent to the parabola y^2 = 16√3x and the ellipse

asked Mar 18, 2019 in JEE by kratos

+3 votes

1 answer

Let (x, y) be such that sin-1(ax) + cos-1(y) +cos-1(bxy) = π/2. Match the statements in Column I with statements in Column II.

asked Mar 18, 2019 in JEE by kratos

+2 votes

1 answer

The minimum value of f(x) = a tan^2x + b cot^2x equals the maximum value of g(x) = a sin^2x + b cos^2x where a > b > 0,

asked Mar 17, 2019 in JEE by kratos

+2 votes

1 answer

the number of positive integral solutions of the equation tan-1x+cos-1(y/√1+y2) =sin-13/√10

asked Mar 17, 2019 in JEE by kratos

+2 votes

1 answer

Evaluate the following: (A) tan^-1 (-1) (B) cot^-1(-1)

asked Mar 15, 2019 in JEE by kratos

+3 votes

1 answer

Match the column Column - I Column - II (A) Lim [sin^-1sinx] for x ∈ [π/2] = (p) - 2 (B) Lim [tan^-1x] for x ∈ [- ∞] = (q) 0

asked Mar 14, 2019 in JEE by kratos

+2 votes

1 answer

If A = tan^-1 (x√3)/(2k-x) and B = tan^-1 (2k- k)/(k√3) then the value of A–B is (a) 10° (b) 45° (c) 60° (d) 30°

asked Mar 13, 2019 in JEE by kratos

+1 vote

1 answer

If cot^ –1 (x) + cot^ –1 (17 – x) = cot^ –1 (3), then x =

asked Mar 9, 2019 in JEE by kratos

+2 votes

1 answer

The value of 2cot (cot^-13 + cot^-17 + cot^-113 + cot^-121) is _________.

asked Mar 5, 2019 in JEE by kratos

+3 votes

1 answer

The value of sin[2tan^-1(1/3)] + cos[tan^-12√2] =

asked Mar 4, 2019 in JEE by kratos

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