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Short Quiz - Chapter 8 Class 10 Introduction to Trigonometry

Chapter 8 Class 10 Introduction to Trignometry | 5 questions

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Question 1 of 5
Question 1 of 5
CBSE Board Exam 2025
If \(\sin 4 \theta=\frac{\sqrt{3}}{2}\), then \(\frac{\theta}{3}\) equals :
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Question 2 of 5
CBSE Board Exam 2026
Given that \(\sin 2 \alpha=\frac{\sqrt{3}}{2}\), the value of \(\sin 3 \alpha\) is :
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Question 3 of 5
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 4 of 5
CBSE Board Exam 2026
Assertion (A) : \(\tan 2 \theta\) is not defined at \(\theta=45^{\circ}\).
Reason (R): \(\sin 90^{\circ} \neq \cos 90^{\circ}\).
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Question 5 of 5
NCERT Exemplar
If \(\triangle A B C\) is right angled at \(C\), then the value of \(\cos (A+B)\) is
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