Page 94 - Math SL HB Sem 1

CIRCULAR FUNC'I'IONS AND TRIGONOMF]'TRY

Example l: Use a unit circle to find the exact values of sina and cosa

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Example 2: IJse a unit circle diagram to find all angles in [0,22] witn a cosine of
2

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Example 3: Without using a calculator, find the value of Ssin( )cos(
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