WB JEE 2009 | Trigonometric Functions & Equations Question 11 | Mathematics

WB JEE 2009

MCQ (Single Correct Answer)

-0.25

A positive acute angle is divided into two parts whose tangents are 1/2 and 1/3. Then the angle is

$$\pi$$/4

$$\pi$$/5

$$\pi$$/3

$$\pi$$/6

WB JEE 2009

MCQ (Single Correct Answer)

-0.25

The smallest value of $$5\cos \theta + 12$$ is

WB JEE 2009

MCQ (Single Correct Answer)

-0.25

In triangle ABC, a = 2, b = 3 and sin A = 2/3, thne B is equal to

30$$^\circ$$

60$$^\circ$$

90$$^\circ$$

120$$^\circ$$

WB JEE 2009

MCQ (Single Correct Answer)

-0.25

Simplest form of $${2 \over {\sqrt {2 + \sqrt {2 + \sqrt {2 + 2\cos 4x} } } }}$$ is

sec x/2

sec x

cosec x

WB JEE Subjects