5 Questions
Which of the following is an example of a Pythagorean identity?
$\sin^2(x) + \cos^2(x) = 1$
Which of the following is an example of a co-function identity?
$\sin(\frac{\pi}{2} - x) = \cos(x)$
Which of the following is an example of a sum & difference identity?
$\sin(x + y) = \sin(x)\cos(y) + \cos(x)\sin(y)$
Which of the following is an example of a double angle identity?
$\sin(2x) = 2\sin(x)\cos(x)$
Which of the following is an example of a half-angle identity?
$\sin(\frac{x}{2}) = \pm \sqrt{\frac{1 - \cos(x)}{2}}$
Test your knowledge of Trigonometry Formulas & Identities with this comprehensive quiz. Explore a complete list of formulas, including trigonometric ratios, Pythagorean identities, and product identities. Challenge yourself with questions on sign ratios and enhance your understanding of Trigonometry.
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