Short Quiz - Chapter 8 Class 10 Introduction to Trigonometry

Question 1 of 5

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If \(\sin A=\frac{1}{2}\), then the value of \(\cot A\) is

A \(\sqrt{3}\) B \(\frac{1}{\sqrt{3}}\) C \(\frac{\sqrt{3}}{2}\) D 1

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Question 2 of 5

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If \(\cos 9 \alpha=\sin \alpha\) and \(9 \alpha<90^{\circ}\), then the value of \(\tan 5 \alpha\) is

A \(\frac{1}{\sqrt{3}}\) B \(\sqrt{3}\) C 1 D 0

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Question 3 of 5

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If \(4 \tan \theta=3\), then \(\left(\frac{4 \sin \theta-\cos \theta}{4 \sin \theta+\cos \theta}\right)\) is equal to

A \(\frac{2}{3}\) B \(\frac{1}{3}\) C \(\frac{1}{2}\) D \(\frac{3}{4}\)

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Question 4 of 5

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If \(\cos A=\frac{4}{5}\), then the value of \(\tan A\) is

A \(\frac{3}{5}\) B \(\frac{3}{4}\) C \(\frac{4}{3}\) D \(\frac{5}{3}\)

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Question 5 of 5

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Given that \(\sin \alpha=\frac{1}{2}\) and \(\cos \beta=\frac{1}{2}\), then the value of \((\alpha+\beta)\) is

A \(0^{\circ}\) B \(30^{\circ}\) C \(60^{\circ}\) D \(90^{\circ}\)

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Class 6