Evaluating Sine and Cosine of Special Acute Angles
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More Lessons for Algebra II
Math Worksheets
Examples, solutions, videos, worksheets,and activities to help Algebra 2 students learn how to evaluate sine and cosine of special acute angles (given in radians).
Evaluating Sine and Cosine at Special Acute Angles
If you want to make your math life incredibly easier, memorize the sine and cosine values for π/3, π/4, and π/6, as well as 0, π/2, and π. These values constantly reappear throughout Trigonometry and pre-Calculus problems and proofs. When evaluating sine, it is also useful to memorize the conversion from radians to degrees for these values; for example, to remember that π/6 is equivalent to 30°.
PM12 - 3.4 Special Angles (Sine & Cosine) - part 1
PM12 - 3.4 Special Angles (Sine & Cosine) - part 2
More Lessons for Algebra II
Math Worksheets
Examples, solutions, videos, worksheets,and activities to help Algebra 2 students learn how to evaluate sine and cosine of special acute angles (given in radians).
Evaluating Sine and Cosine at Special Acute Angles
If you want to make your math life incredibly easier, memorize the sine and cosine values for π/3, π/4, and π/6, as well as 0, π/2, and π. These values constantly reappear throughout Trigonometry and pre-Calculus problems and proofs. When evaluating sine, it is also useful to memorize the conversion from radians to degrees for these values; for example, to remember that π/6 is equivalent to 30°.
PM12 - 3.4 Special Angles (Sine & Cosine) - part 1
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