Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1>Chapter 9 - Trigonometric Functions and Equations>Target Exercises>Q 2

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JEE Advanced

IMPORTANT

Earn 100

A quadratic equation whose roots are ${cosec}^{2} θ$ and $\sec^{2} θ,$ can be

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Important Questions on Trigonometric Functions and Equations

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1>Chapter 9 - Trigonometric Functions and Equations>Target Exercises>Q 3

\cos^{2} \frac{3 π}{5} + \cos^{2} \frac{4 π}{5}

is equal to

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Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1>Chapter 9 - Trigonometric Functions and Equations>Target Exercises>Q 4

The value of

\sin 600 ° \cos 330 ° + \cos 120 ° \sin 150 °

is

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Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1>Chapter 9 - Trigonometric Functions and Equations>Target Exercises>Q 5

The value of expression

\frac{1 - 4 \sin 10 ° \sin 70 °}{2 \sin 10 °}

is

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JEE Advanced

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Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1>Chapter 9 - Trigonometric Functions and Equations>Target Exercises>Q 6

The value of the expression

(\sqrt{3} \sin 75 ° - \cos 75 °)

is

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1>Chapter 9 - Trigonometric Functions and Equations>Target Exercises>Q 7

If

\sin α = \frac{1}{\sqrt{5}}

and

\sin β = \frac{3}{5}

, where

α, β \in (0, \frac{π}{2})

then

β - α

lies in the interval

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1>Chapter 9 - Trigonometric Functions and Equations>Target Exercises>Q 8

The numerical value of

\sqrt{3} cosec 20 ° - \sec 20 °

is

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JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1>Chapter 9 - Trigonometric Functions and Equations>Target Exercises>Q 9

Which of the following numbers is rational?

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IMPORTANT

Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1>Chapter 9 - Trigonometric Functions and Equations>Target Exercises>Q 10

The value of

\cos \frac{π}{7} \cos \frac{4 π}{7} \cos \frac{5 π}{7}

is