Problem 92 of 7
Find exact sine, cosine, and tangent for 30 and 60 degrees using A 30-60-90 triangle with hypotenuse 1.
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use special right triangle ratios.
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Use exact values from a 30-60-90 triangle.
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Your answer is equivalent to the expected form.
Solution
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1. Use the 1:sqrt(3):2 side ratio.
2. Label sides relative to 30 degrees and 60 degrees.
3. Write exact sine, cosine, and tangent values.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Swapping 30-degree and 60-degree sine values.