Teachoo MCQ Test

10 Question MCQ (including Assertion)

Preparing for CBSE

Chapter 8 Class 10 Introduction to Trignometry | 10 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
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Question 1 of 10
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Question 1 of 10
NCERT Exemplar
If \(\triangle A B C\) is right angled at \(C\), then the value of \(\cos (A+B)\) is
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Question 2 of 10
NCERT Exemplar
The value of \(\left(\tan 1^{\circ} \tan 2^{\circ} \tan 3^{\circ} \ldots \tan 89^{\circ}\right)\) is
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Question 3 of 10
CBSE Board Exam 2025
If \(\sin 4 \theta=\frac{\sqrt{3}}{2}\), then \(\frac{\theta}{3}\) equals :
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Question 4 of 10
CBSE Board Exam 2025
\(\frac{\cos \theta}{\sqrt{1-\cos ^2 \theta}}\) is equal to :
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Question 5 of 10
NCERT Exemplar
If \(\cos (\alpha+\beta)=0\), then \(\sin (\alpha-\beta)\) can be reduced to
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Question 6 of 10
NCERT Exemplar
The value of the expression
\(\left[\frac{\sin ^2 22^{\circ}+\sin ^2 68^{\circ}}{\cos ^2 22^{\circ}+\cos ^2 68^{\circ}}+\sin ^2 63^{\circ}+\cos 63^{\circ} \sin 27^{\circ}\right]\) is
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Question 7 of 10
CBSE Board Exam 2024
If \(\cos \theta=\frac{\sqrt{3}}{2}\) and \(\sin \phi=\frac{1}{2}\), then \(\tan (\theta+\phi)\) is :
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Question 8 of 10
NCERT Exemplar
If \(4 \tan \theta=3\), then \(\left(\frac{4 \sin \theta-\cos \theta}{4 \sin \theta+\cos \theta}\right)\) is equal to
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Question 9 of 10
NCERT Exemplar
The value of \(\left(\sin 30^{\circ}+\cos 30^{\circ}\right)-\left(\sin 60^{\circ}+\cos 60^{\circ}\right)\) is
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Question 10 of 10
NCERT Exemplar
If \(\sin \theta-\cos \theta=0\), then the value of \(\left(\sin ^4 \theta+\cos ^4 \theta\right)\) is
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