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Use identities to find the value of each expression. 1) If sin , find cos ( 2) If tan ( ) , find cot (
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Use the angle difference identity to find the exact value of each. Use the angle sum or difference identity to find the exact value of each. Create your own worksheets like this one with Infinite Algebra 2. Free trial available at KutaSoftware.com.
Answers to Verifying Identities. sin x + csc x. 1) csc x. Decompose into sine and cosine. 1. +. sin x sin x. Simplify. 1.
Free trigonometric identity calculator - verify trigonometric identities step-by-step
Trig Ratios of General Angles Date_____ Period____ Use a calculator to find each. Round your answers to the nearest ten-thousandth. 1) cos 101 ° 2) cos 310 ° 3) sin 105 ° 4) sin −305 ° 5) sin −228 ° 6) sin −120 ° 7) cos −70 ° 8) cos 140 ° Find the exact value of each trigonometric function.
To solve a trigonometric simplify the equation using trigonometric identities. Then, write the equation in a standard form, and isolate the variable using algebraic manipulation to solve for the variable. Use inverse trigonometric functions to find the solutions, and check for extraneous solutions.
