Trigonometric identities Problems and Solutions

Double angle identities

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Triple angle identities

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Multiple angle identities

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What is a Trigonometric ratio?

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What is a Point in geometry?

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What is a Factor in Higher mathematics?

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X-Axis of Two dimensional cartesian coordinate system

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Distributive property over Addition of Complex conjugates

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Origin of Two dimensional cartesian coordinate system

Latest Math Questions

Oct 26, 2025

Evaluate $5\cos{x}$ $-$ $12\sin{x}$, if $5\sin{x}$ $+$ $12\cos{x}$ $=$ $13$

Oct 11, 2025

Evaluate $\displaystyle \large \lim_{x \,\to\, 0}{\normalsize \dfrac{\sqrt{1-\cos{2x}}}{x}}$

Oct 03, 2025

Evaluate $\dfrac{1}{\log_{2}{30}}$ $+$ $\dfrac{1}{\log_{3}{30}}$ $+$ $\dfrac{1}{\log_{5}{30}}$

Jul 19, 2025

Evaluate $\displaystyle \large \lim_{x \,\to\, 2}{\normalsize (x^3-5x+6)}$ by Direct substitution

Feb 14, 2025

Factorize $8x^3-\dfrac{1}{27y^3}$

Jan 08, 2025

Evaluate $\displaystyle \int{\dfrac{\sin{x}}{\sqrt{3+2\cos{x}}}}\,dx$