DINESH LAB MANUAL IN MATHEMATICS CLASS X>Chapter 8 - Introduction to Trigonometry>MCQs (MULTIPLE CHOICE QUESTIONS)>Q 83

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IMPORTANT

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If $cosec θ = \frac{3}{2}$ , then $2 ({cosec}^{2} θ + \cot^{2} θ)$ is:

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Important Questions on Introduction to Trigonometry

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10th CBSE

IMPORTANT

DINESH LAB MANUAL IN MATHEMATICS CLASS X>Chapter 8 - Introduction to Trigonometry>MCQs (MULTIPLE CHOICE QUESTIONS)>Q 84

The value of

\tan 1 ° . \tan 2 ° . \tan 3 ° . . \dots \tan 89 °

is:

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IMPORTANT

DINESH LAB MANUAL IN MATHEMATICS CLASS X>Chapter 8 - Introduction to Trigonometry>MCQs (MULTIPLE CHOICE QUESTIONS)>Q 85

∆ A B C

is right-angled at

A

, the value of

\tan B \times \tan C

is:

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IMPORTANT

DINESH LAB MANUAL IN MATHEMATICS CLASS X>Chapter 8 - Introduction to Trigonometry>MCQs (MULTIPLE CHOICE QUESTIONS)>Q 86

If

\sin θ - cosec θ = \sqrt{5}

, then the value of

\sin θ + cosec θ

is:

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IMPORTANT

DINESH LAB MANUAL IN MATHEMATICS CLASS X>Chapter 8 - Introduction to Trigonometry>MCQs (MULTIPLE CHOICE QUESTIONS)>Q 87

The value of

5 \tan^{2} θ - 5 \sec^{2} θ

is:

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IMPORTANT

DINESH LAB MANUAL IN MATHEMATICS CLASS X>Chapter 8 - Introduction to Trigonometry>MCQs (MULTIPLE CHOICE QUESTIONS)>Q 88

If

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

, then

x - 3 y

is equal to

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IMPORTANT

DINESH LAB MANUAL IN MATHEMATICS CLASS X>Chapter 8 - Introduction to Trigonometry>MCQs (MULTIPLE CHOICE QUESTIONS)>Q 89

Given that

\sin A = \frac{1}{2}

and

\cos B = \frac{1}{\sqrt{2}}

, then the value of

A + B

is:

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10th CBSE

IMPORTANT

DINESH LAB MANUAL IN MATHEMATICS CLASS X>Chapter 8 - Introduction to Trigonometry>MCQs (MULTIPLE CHOICE QUESTIONS)>Q 90

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

Question Image

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10th CBSE

IMPORTANT

DINESH LAB MANUAL IN MATHEMATICS CLASS X>Chapter 8 - Introduction to Trigonometry>PERIODIC TEST (Paper Pen Test)>Q 1

The value of

(\sin 30 ° + c o s 30 °) - (\sin 60 ° + \cos 60 °)

is