Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 31-40 of 346 questions.
What is (\sin\(\pi-\theta\)) equal to?
B. \(\sin \theta\)
(\sin\(\pi-\theta\)=\sin \theta) होता है। दूसरे चतुर्थांश में \(\sin \theta\) धनात्मक होता है। / (\sin\(\pi-\theta\)=\sin \theta). In the second quadrant, \(\sin \theta\) is positive.
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What is (\cos\(\pi-\theta\)) equal to?
C. -\(\cos \theta\)
(\cos\(\pi-\theta\)=-\cos \theta) होता है। दूसरे चतुर्थांश में \(\cos \theta\) ऋणात्मक होता है। / (\cos\(\pi-\theta\)=-\cos \theta). In the second quadrant, \(\cos \theta\) is negative.
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What is (\tan\(\pi-\theta\)) equal to?
D. -\(\tan \theta\)
(\tan\(\pi-\theta\)=-\tan \theta) होता है। दूसरे चतुर्थांश में \(\tan \theta\) ऋणात्मक होता है। / (\tan\(\pi-\theta\)=-\tan \theta). In the second quadrant, \(\tan \theta\) is negative.
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What is (\sin\left\(\frac{\pi}{2}-\theta\right\)) equal to?
A. \(\cos \theta\)
(\sin\left\(\frac{\pi}{2}-\theta\right\)=\cos \theta) सह-फलन संबंध है। \(\frac{\pi}{2}\) वाले रूपांतरण में फलन बदलता है। / (\sin\left\(\frac{\pi}{2}-\theta\right\)=\cos \theta) is a cofunction relation. In transformations with \(\frac{\pi}{2}\), the function changes.
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What is (\cos\left\(\frac{\pi}{2}-\theta\right\)) equal to?
B. \(\sin \theta\)
(\cos\left\(\frac{\pi}{2}-\theta\right\)=\sin \theta) होता है। सह-फलन संबंध में \(\sin \theta\) और \(\cos \theta\) आपस में बदलते हैं। / (\cos\left\(\frac{\pi}{2}-\theta\right\)=\sin \theta). In cofunction relations, \(\sin \theta\) and \(\cos \theta\) interchange.
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What is (\tan\left\(\frac{\pi}{2}-\theta\right\)) equal to?
C. \(\cot \theta\)
(\tan\left\(\frac{\pi}{2}-\theta\right\)=\cot \theta) होता है। \(\tan \theta\) का सह-फलन \(\cot \theta\) है। / (\tan\left\(\frac{\pi}{2}-\theta\right\)=\cot \theta). The cofunction of \(\tan \theta\) is \(\cot \theta\).
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What is (\sec\left\(\frac{\pi}{2}-\theta\right\)) equal to?
D. \(\cosec \theta\)
(\sec\left\(\frac{\pi}{2}-\theta\right\)=\cosec \theta) होता है। \(\sec \theta\) और \(\cosec \theta\) सह-फलन हैं। / (\sec\left\(\frac{\pi}{2}-\theta\right\)=\cosec \theta). \(\sec \theta\) and \(\cosec \theta\) are cofunctions.
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What is the value of \(\sin 30^\circ\)?
A. \(\frac{1}{2}\)
\(\sin 30^\circ=\frac{1}{2}\) होता है। \(30^\circ\) और \(60^\circ\) के मान अक्सर पूछे जाते हैं। / \(\sin 30^\circ=\frac{1}{2}\). Values of \(30^\circ\) and \(60^\circ\) are often asked.
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What is the value of \(\cos 60^\circ\)?
B. \(\frac{1}{2}\)
\(\cos 60^\circ=\frac{1}{2}\) होता है। \(\sin 30^\circ\) और \(\cos 60^\circ\) बराबर होते हैं। / \(\cos 60^\circ=\frac{1}{2}\). \(\sin 30^\circ\) and \(\cos 60^\circ\) are equal.
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What is the value of \(\tan 30^\circ\)?
C. \(\frac{1}{\sqrt{3}}\)
\(\tan 30^\circ=\frac{1}{\sqrt{3}}\) होता है। \(\tan 30^\circ\) और \(\tan 60^\circ\) को अलग-अलग याद करें। / \(\tan 30^\circ=\frac{1}{\sqrt{3}}\). Remember \(\tan 30^\circ\) and \(\tan 60^\circ\) separately.
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