Trigonometric Ratios of Special Angles: 0, 30, 45, 60, 90Videos, worksheets, games and acivities to help students learn how to find the Trigonometric Ratios of Special Angles: 0, 30, 45, 60, 90.
Trigonometric Function Values of Special Angles The trigonometric function values of 30, 45, and 60 degrees and their corresponding radian measure. Cofunction identities are also discussed
Trig Ratios of Special Angles Part 1 This lesson shows how to find the trig ratios of the special angles and how to use them to find exact values of expressions involving sine, cosine and tangent values of 0, 30, 45, 60 and 90 degrees.
Trig Ratios of Special Angles Part 2 This lesson shows how to find the trig ratios of the special angles and how to use them to find exact values of expressions involving sine, cosine and tangent values of 0, 30, 45, 60 and 90 degrees
A Finger Trick for Trigonometry If we insist that students memorise the values of sine and cosine for the basic angles 0, 30, 45, 60 and 90 degrees, then here's a cute little trick for doing so using the fingers on your hand
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