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Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

M11 Trigonometric Functions of Sum and Difference of Two Angles 02

M11 Trigonometric Functions of Sum and Difference of Two Angles 02

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Question 1 of 10

1. Question

\(cos ({\pi}-A) =\)

\(cos\ A\)

\(- cos\ A\)

\(sin\ A\)

\(-sin\ A\)

Correct

Incorrect
Question 2 of 10

2. Question

sin ({\pi}-A) =

\(-cos\ A\)

\(-sin\ A\)

\(sin\ A\)

\(cos\ A\)

Correct

Incorrect
Question 3 of 10

3. Question

\(tan (A+B) =\)

\({tan\ A + tan \ B} \over {1+tan\ A\ tan\ B}\)

\({tan\ A – tan \ B} \over {1-tan\ A\ tan\ B}\)

\({tan\ A – tan \ B} \over {1+tan\ A\ tan\ B}\)

\({tan\ A + tan \ B} \over {1-tan\ A\ tan\ B}\)

Correct

Incorrect
Question 4 of 10

4. Question

\(tan (A-B) = \)

\({tan\ A – tan \ B} \over {1+tan\ A\ tan\ B}\)

\({tan\ A – tan \ B} \over {1-tan\ A\ tan\ B}\)

\({tan\ A + tan \ B} \over {1-tan\ A\ tan\ B}\)

\({tan\ A + tan \ B} \over {1+tan\ A\ tan\ B}\)

Correct

Incorrect
Question 5 of 10

5. Question

\(cot (A+B) =\)

\({cot\ B. \ cot\ A+1} \over {cot\ B + cot \ A}\)

\({cot\ B. \ cot\ A+1} \over {cot\ B – cot \ A}\)

\({cot\ B. \ cot\ A-1} \over {cot\ B + cot \ A}\)

\({cot\ B. \ cot\ A-1} \over {cot\ B – cot \ A}\)

Correct

Incorrect
Question 6 of 10

6. Question

\(cot (A-B) =\)

\({cot\ B. \ cot\ A-1} \over {cot\ B – cot \ A}\)

\({cot\ B. \ cot\ A+1} \over {cot\ B – cot \ A}\)

\({cot\ B. \ cot\ A-1} \over {cot\ B + cot \ A}\)

\({cot\ B. \ cot\ A+1} \over {cot\ B + cot \ A}\)

Correct

Incorrect
Question 7 of 10

7. Question

\(cos ({\pi} +A) = \)

\( cos\ A\)

\(- sin\ A\)

\(- cos\ A\)

\( sin\ A\)

Correct

Incorrect
Question 8 of 10

8. Question

\(cos ({2\pi}-A) = \)

\(-cos\ A\)

\(cos\ A\)

\(sin\ A\)

\(-sin\ A\)

Correct

Incorrect
Question 9 of 10

9. Question

\(sin ({\pi} +A) = \)

\(- cos\ A\)

\(cos\ A\)

\(sin\ A\)

\(- sin\ A\)

Correct

Incorrect
Question 10 of 10

10. Question

\(sin ({2\pi}-A) = \)

\(sin\ A\)

\(-sin\ A\)

\(cos\ A\)

\(-cos\ A\)

Correct

Incorrect

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Points Table
Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

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