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Subjects

Mathematics

Angles

In this Class 12 Mathematics topic, students study angles as the foundation of Trigonometric Functions. They learn to measure angles in degrees and radians, understand positive and negative directions, and relate angles to points on the unit circle. The topic connects angle measures with the values, signs, domains, and periodic behaviour of sine, cosine, and tangent, helping students interpret trigonometric identities, graphs, and equations accurately.

Hard · Level 2 · 25 questions

TOPIC PRACTICE

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25 questions

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  1. ( \frac{\pi}{4} )
  2. ( \frac{3\pi}{4} )
  3. ( \frac{5\pi}{4} )
  4. ( \frac{7\pi}{4} )
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  1. \(635^\circ\)
  2. \(725^\circ\)
  3. \(985^\circ\)
  4. \(1015^\circ\)
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  1. Positive x-axis
  2. Second quadrant
  3. Third quadrant
  4. Fourth quadrant
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  1. ( \frac{\pi}{5} )
  2. ( \frac{3\pi}{5} )
  3. ( \frac{4\pi}{5} )
  4. ( \frac{9\pi}{5} )
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  1. Positive (x)-axis
  2. Positive (y)-axis
  3. Negative (x)-axis
  4. Negative (y)-axis
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  1. (70^\circ)
  2. (72^\circ30')
  3. (75^\circ)
  4. (77^\circ30')
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  1. \(\theta+2n\pi,\; n\in\mathbb{Z}\)
  2. \(\theta+n\pi,\; n\in\mathbb{Z}\)
  3. \(2\theta+2n\pi,\; n\in\mathbb{Z}\)
  4. \(\theta+(2n+1)\pi,\; n\in\mathbb{Z}\)
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  1. \( \frac{\pi}{4} \)
  2. \( \frac{\pi}{2} \)
  3. \( \frac{3\pi}{4} \)
  4. \( \pi \)
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  1. (145^\circ)
  2. (215^\circ)
  3. (325^\circ)
  4. (35^\circ)
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  1. ( \frac{10\pi}{9} )
  2. ( \frac{14\pi}{9} )
  3. ( \frac{17\pi}{9} )
  4. ( \frac{8\pi}{9} )
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  1. (30^\circ)
  2. (40^\circ)
  3. (50^\circ)
  4. No positive value
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  1. (45^\circ)
  2. (50^\circ)
  3. (55^\circ)
  4. (60^\circ)
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  1. First quadrant
  2. Positive \(y\)-axis
  3. Second quadrant
  4. Fourth quadrant
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  1. 12 cm
  2. 14 cm
  3. 16 cm
  4. 18 cm
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  1. ( \frac{\pi}{6} )
  2. ( \frac{\pi}{3} )
  3. ( \frac{5\pi}{6} )
  4. ( \frac{7\pi}{6} )
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  1. ( \frac{\pi}{3} )
  2. ( \frac{2\pi}{3} )
  3. ( \frac{4\pi}{3} )
  4. ( \frac{5\pi}{3} )
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  1. \(255^\circ\)
  2. \(285^\circ\)
  3. \(565^\circ\)
  4. \(715^\circ\)
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  1. 23
  2. 24
  3. 25
  4. 26
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  1. (207^\circ)
  2. (210^\circ)
  3. (212^\circ)
  4. (215^\circ)
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  1. (24) square cm
  2. (27) square cm
  3. (30) square cm
  4. (36) square cm
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  1. They are coterminal
  2. They are complementary
  3. They are supplementary
  4. They are unequal and not coterminal
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  1. (67^\circ30')
  2. (77^\circ30')
  3. (57^\circ30')
  4. (68^\circ30')
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  1. \(\frac{5\pi}{6}\)
  2. \(\frac{7\pi}{6}\)
  3. \(\frac{11\pi}{6}\)
  4. \(\frac{\pi}{6}\)
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  1. \(40^\circ\)
  2. \(50^\circ\)
  3. \(60^\circ\)
  4. \(75^\circ\)
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  1. \(80^\circ\)
  2. \(100^\circ\)
  3. \(120^\circ\)
  4. \(140^\circ\)

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