EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 4 - Trigonometric Equations>TS EAMCET - 5 August 2021 Shift 2>Q 8

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IMPORTANT

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The number of values of $x$ satisfying $\sin 4 x = \cos 3 x$ and $\frac{- π}{6} < x < \frac{π}{2},$ is

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Important Questions on Trigonometric Equations

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 4 - Trigonometric Equations>TS EAMCET 2020 (9-Sep Shift-1)>Q 1

The equation

\sin^{4} x - (k + 3) \sin^{2} x - k - 4 = 0

has a solution if

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 4 - Trigonometric Equations>TS EAMCET 2018 (04-May Shift-1)>Q 2

Number of solutions of the equation

\sin x - \sin 2 x + \sin 3 x = 2 \cos^{2} x - 2 \cos x

in

(0, π)

is

HARD

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 4 - Trigonometric Equations>TS EAMCET 2019 (03-May Shift-2)>Q 3

The general solution of

\cos 2 x - 2 \tan x + 2 = 0

is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 4 - Trigonometric Equations>TS EAMCET 2021 (04-Aug Shift-1)>Q 4

If

\cos θ = - \frac{1}{\sqrt{2}}

and

\tan θ = 1,

then the general value of

θ

is

EASY

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 4 - Trigonometric Equations>TS EAMCET 2021 (04-Aug Shift-2)>Q 5

The value of

(1 - cosθ) (1 + cosθ) (1 + \cot^{2} θ)

, when

θ = \frac{π}{15}

is

EASY

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 4 - Trigonometric Equations>TS EAMCET 2021 (04-Aug Shift-2)>Q 6

The number of solutions of the equation

\tan θ + \sec θ = 2 \cos θ

and

\cos θ \neq 0

lying in the interval

(0, 2 π)

is

HARD

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 4 - Trigonometric Equations>TS EAMCET - 5 August 2021 Shift 1>Q 7

If

6 \cos 2 θ + 2 \cos^{2} (\frac{θ}{2}) + 2 \sin^{2} θ = 0, - π < θ < π,

then

θ =

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 4 - Trigonometric Equations>TS EAMCET - 5 August 2021 Shift 2>Q 8

The number of values of

x

satisfying

\sin 4 x = \cos 3 x

and

\frac{- π}{6} < x < \frac{π}{2},

is