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  1. www.onlinemathlearning.com › trig-special-anglesTrigonometric Ratios of Special Angles: 0°, 30°, 45°, 60°, 90°

    how to derive and memorize the trigonometric ratios of the special angles, how to use the trig ratios of the special angles to find exact values of expressions involving sine, cosine and tangent values of 0, 30, 45, 60 and 90 degrees, How to find sin, cos, tan, cot, csc, and sec of the special angles, and multiples of 90, How to remember ...

  2. www.storyofmathematics.com › trigonometric-special-anglesTrigonometric special angles – Explanation & Examples

    Trigonometric special angles — 30 o, 45 o, and 60 o — generate rather straightforward trigonometric values. We can precisely evaluate the trigonometric functions for these special angles without a calculator.

  3. www.khanacademy.org › a › trig-ratios-of-special-trianglesTrig ratios of special triangles (article) | Khan Academy

    Step 1: Draw the special triangle that includes the angle of interest. Step 2: Label the sides of the triangle according to the ratios of that special triangle. Step 3: Use the definition of the trigonometric ratios to find the value of the indicated expression.

  4. www.purplemath.com › modules › specangSpecial Angle Values: 30-60-90 and 45-45-90 Triangles - ...

    Explains a simple pictorial way to remember basic reference angle values. Provides other memory aids for the values of trigonometric ratios for these "special" angle values, based on 30-60-90 triangles and 45-45-90 triangles.

  5. www.onlinemathlearning.com › trigonometry-special-anglesEvaluating Trigonometric Ratios For Special Angles - Online Math...

    How to use the trig ratios of the special angles to find exact values of trig expressions without a calculator, Trigonometry and special angles triangles with video lessons, examples and step-by-step solutions.

  6. byjus.com › maths › trigonometry-anglesImportant Trigonometry Angles - Formulas, Table & Examples -...

    Important Angles of Trigonometry. The special angles used in trigonometry are 0°, 30°, 45°, 60° and 90°. These are the common angles which are used while performing computations of trigonometric problems.

  7. study.com › academy › lessonSpecial Angles in Trigonometry | Functions & Values

    Nov 21, 2023 · Discover special angles in trigonometry. Recall what a right triangle is and learn how to evaluate the trigonometric special angles in...

  8. brownmath.com › twt › specialFunctions of Special Angles (Trig without Tears Part 3) -...

    Nov 29, 2016 · Learn the functions for certain special angles (multiples of 30 deg or pi/6 and 45 deg or pi/4)

  9. mathvox.com › trig-functions-of-special-anglesTrig Functions of Special Angles | MATHVOX

    Trig Functions of Special Angles. Sine values in degrees. sin 0 = 0 (the sine of 0 degrees equals 0) sin 30 = 1/2 (the sine of 30 degrees equals 1/2) sin 45 = √2/2 (the sine of 45 degrees equals √2/2) sin 60 = √3/2 (the sine of 60 degrees equals √3/2) sin 90 = 1 (the sine of 90 degrees equals 1) sin 180 = 0 (the sine of 180 degrees equals 0)

  10. www.mathwords.com › s › special_anglesMathwords: Special Angles

    Special Angles. Some of the angles for which the exact values of trig functions are known are listed below. These special angles from 0° to 360° are listed below with their radian equivalents. See also. Trigonometry. ---