9 Trigonometric Identities

A trigonometric equation is an identity if it is true for all values of the angle or angles involved. A given identity may be established by reducing either side to the other one, or reducing each side to the same expression, or any convenient modification of these.

10 Some Illustration Based on Trigonometric Identities

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CBSE Class 11 Maths Trigonometric Functions All Topics Notes CBSE Class 11 Maths All Chapters Notes