One way to find the values of the trig functions for angles is to use the coordinates of points on a circle that has its center at the origin. Finding … Use Coordinates of Points to Find Values of Trigonometry. Then get out your protractor, draw a right-angled triangle with a 40∘ 40 ∘ angle, and divide the measured length of the opposite side by the hypotenuse. How do calculators do trigonometry? - Chalkdust. ![]() However, most calculators can not return the values in radical form. Calculators are able to determine trigonometric function values in degrees and radians. Evaluating Trigonometry Using A Calculator. ![]() Lecture notes developed under creative commons . ![]() When in doubt, use the extra parentheses when entering calculations into a calculator or computer. 7.3 – The Unit Circle Finding Trig Functions.
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