New Mathematics for Class X>Chapter 8 - Introduction To Trigonometry>REVISION EXERCISE>Q 31

EASY

10th CBSE

IMPORTANT

Earn 100

If $θ = 45 °,$ the value of ${cosec}^{2} θ$ is

46.99% studentsanswered this correctly

Important Questions on Introduction To Trigonometry

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 8 - Introduction To Trigonometry>REVISION EXERCISE>Q 32

If

cosec θ - \cot θ = \frac{1}{3}

, the value of

(cosec θ + \cot θ)

is

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 8 - Introduction To Trigonometry>REVISION EXERCISE>Q 33

5 {cosec}^{2} θ - 5 \cot^{2} θ

is equal to

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 8 - Introduction To Trigonometry>REVISION EXERCISE>Q 34

If

\tan A = \frac{5}{12},

find the value of

(\sin A + \cos A) \times \sec A

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 8 - Introduction To Trigonometry>REVISION EXERCISE>Q 35

If

\sin θ = \cos θ,

then the value of

θ

is

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 8 - Introduction To Trigonometry>REVISION EXERCISE>Q 36

If

x = 3 \sec^{2} θ - 1, y = \tan^{2} θ - 2

, then

x - 3 y

is equal to

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 8 - Introduction To Trigonometry>REVISION EXERCISE>Q 37

In the given figure $∠ A C B = 90 °, ∠ B D C = 90 °, C D = 4 cm$ , $B D = 3 cm, A C = 12 cm, \cos A - \sin A$ is equal to

Question Image

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 8 - Introduction To Trigonometry>REVISION EXERCISE>Q 38

If

\sec θ - \tan θ = \frac{1}{3},

the value of

(\sec θ + \tan θ)

is

EASY

10th CBSE

IMPORTANT

New Mathematics for Class X>Chapter 8 - Introduction To Trigonometry>REVISION EXERCISE>Q 39

The value of

\cos 60 ° \sin 30 ° + \sin 60 ° \cos 30 °

is