Math Doubts

Angle difference identities Problems and Solutions

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The angle difference identities are trigonometric identities, which are used as formulas in trigonometry problems. Here is the list of trigonometry questions with solutions to learn how to use the different types of angle difference trigonometric identities.

Evaluate $\dfrac{1}{\sin{10^\circ}}-\dfrac{\sqrt{3}}{\cos{10^\circ}}$

Find $\cos{100^\circ} \cos{40^\circ}$ $+$ $\sin{100^\circ} \sin{40^\circ}$

Evaluate $\sqrt{3}\csc{20^\circ}-\sec{20^\circ}$

Ashok Kumar B.E. - Founder of Math Doubts

Ashok Kumar, B.E.

Founder of Math Doubts

A Specialist in Mathematics, Physics, and Engineering with 14 years of experience helping students master complex concepts from basics to advanced levels with clarity and precision.