NCERT Solutions for Class 11 Maths Chapter 3

Free NCERT Solutions for Class 11 Maths Chapter 3 Trigonometric Functions त्रिकोणमितीय फलन in Hindi & English Medium download in PDF form to use it offline. Download Offline Apps based on latest NCERT Solutions following updated CBSE Syllabus for 2019-20.

Class 11:Maths – गणित
Chapter 3:Trigonometric Functions

NCERT Solutions for Class 11 Maths Chapter 3

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11 Maths Chapter 3 Trigonometric Functions Solutions

Hindi Medium and English Medium

Important Extra Questions on Trigonometric Functions
  1. Write the value of 2sin 75° sin 15°?
  2. What is the maximum value of 3 – 7 cos 5x?
  3. Express sin 12A + sin 4A as the product of sines and cosines.
  4. Express 2 cos 4x sin 2x as an algebraic sum of sines and cosines
  5. Write the maximum value of cos (cos x).
  6. Write the minimum value of cos (cos x).
  7. Write the radian measure of 22° 30’
  8. Find the length of an arc of a circle of radius 5cm subtending a central angle measuring 15°.

Try These
  1. Find the maximum and minimum value of 7 cos x + 24 sin x
  2. Evaluate sin(π + x) sin(π – x) cosec² x
  3. Find the angle in radians between the hands of a clock at 7 : 20 pm.
  4. A horse is tied to a post by a rope. If the horse moves along a circular path, always keeping the rope tight and describes 88 metres when it traces 72° at the centre, find the length of the rope.
  5. Draw sin x, sin 2x and sin 3x on same graph and with same scale.

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