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Warm-up
What is the exact value of the tangent of 30
degrees?
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Objectives
Students will be able to:
1. Define sine and cosine in terms of the unit
circle
2. Define tangent in terms of the unit circle
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Example # 1 - Using the unit circle to find points
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Example #2 - Using the unit circle
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Solution
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Solution
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Solution
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Example #3 - Using the unit circle
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Solution
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Example #4 - Finding exact trig values
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Example #5 - Finding exact trig values
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Find
note: x = theta in this example
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Example #6 - Finding exact tangent values
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