Trigonometry: Sin, Cos, Tan
Test your knowledge of the three core trigonometric ratios — sine, cosine, and tangent — and how they relate angles to side lengths in a right triangle.
Questions cover the SOH-CAH-TOA definitions, calculating ratios from given sides, standard angle values, and the relationship between sine and cosine.
These three ratios are the foundation of all trigonometry — see how solid your grasp is.
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Sample questions3 of 14 shown
Q1
In a right triangle, what is the sine of an angle?
Q2
What does the acronym SOH-CAH-TOA help you remember?
Q3
In a right triangle, if the opposite side is 3 and the hypotenuse is 5, what is the cosine of that angle?
What This Quiz Covers
- SOH-CAH-TOA definitions
- Calculating sine, cosine, tangent from sides
- Standard angle values (30°, 45°, 60°, 90°)
- The Pythagorean identity
- Reciprocal trig functions
- Solving for a missing side or ratio
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