HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

Find the general solution of the following equation:

sin 2θ = `1/2`

Find the general solution of the following equation:

tan `(2θ)/(3) = sqrt3`

Find the general solution of the following equation:

cot 4θ = – 1

Find the general solution of the following equation:

4 cos² θ  = 3

Find the general solution of the following equation:

4sin²θ = 1.

Find the general solution of the following equation:

cos 4θ = cos 2θ

Find the general solution of the following equation:

sin θ = tan θ

Find the general solution of the following equation: 

tan³θ = 3 tanθ.

Find the general solution of the following equation:

cosθ + sinθ = 1.

State whether the following equation have solution or not?

cos 2θ = – 1

State whether the following equation has a solution or not?

cos²θ = – 1.

State whether the following equation has a solution or not?

2sinθ = 3

State whether the following equation have solution or not?

3 tanθ = 5

In ΔABC, if ∠A = 45°, ∠B = 60° then find the ratio of its sides.

In ΔABC, prove that `sin(("B" − "C")/2) = (("b" − "c")/"a")cos  "A"/(2)`.

With the usual notations prove that `2{asin^2  "C"/(2) + "c"sin^2  "A"/(2)}` = a – b + c.

In Δ ABC, prove that a³ sin(B – C) + b³sin(C – A) + c³sin(A – B) = 0

In ΔABC, if a cos A = b cos B then prove that the triangle is either a right angled or an isosceles traingle.

With usual notations prove that 2(bc cosA + ac cosB + ab cosC) = a² + b² + c² .

Differentiate the following w.r.t. x:

(x³ – 2x – 1)⁵