HSC Science (Electronics) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Mathematics and Statistics

Solve the following : Find the equation of the tangent and normal drawn to the curve y⁴ – 4x⁴ – 6xy = 0 at the point M (1, 2).

Select the correct option from the given alternatives:

The principal solutions of equation sin θ = `- 1/2` are ______.

Select the correct option from the given alternatives:

The principal solutions of equation cot θ = `sqrt3` are ______.

Select the correct option from the given alternatives:

The general solution of sec x = `sqrt(2)` is ______.

Select the correct option from the given alternatives:

If cos pθ = cos qθ, p ≠ q, then ______.

Select the correct option from the given alternatives:

If polar coordinates of a point are `(2, pi/4)`, then its cartesian coordinates are

If `sqrt3`cos x - sin x = 1, then general value of x is ______.

Select the correct option from the given alternatives:

In Δ ABC if ∠A = 45°, ∠B = 30°, then the ratio of its sides are

Select the correct option from the given alternatives:

In ΔABC if c² + a² – b² = ac, then ∠B = ____.

Select the correct option from the given alternatives:

In ΔABC, ac cos B - bc cos A = _______

If in a triangle, the angles are in A.P. and b: c = `sqrt3: sqrt2`, then A is equal to

`"cos"^-1 ("cos" (7pi)/6)` = _________.

Select the correct option from the given alternatives:

The value of cot (tan^-12x + cot^-12x) is

The principal value of sin^–1 `(- sqrt3/2)` is ______.

If `"sin"^-1 4/5 + "cos"^-1 12/13 = "sin"^-1 alpha`, then α = ______.

Select the correct option from the given alternatives:

If tan^-1(2x) + tan^-1(3x) = `pi/4`, then x = _____

Select the correct option from the given alternatives:

`2 "tan"^-1 (1/3) + "tan"^-1 (1/7) =` _____

Select the correct option from the given alternatives:

`"tan"(2"tan"^-1 (1/5) - pi/4)` = ______

The principal value branch of sec^-1x is ______.

`cos[tan^-1  1/3 + tan^-1  1/2]` = ______