Verifying a Trigonometric Identity In Exercises 19–24, verify the identity algebraically. Use the table feature of a graphing utility to check your result numerically. 1 1 19. tan x tan x + cot x cot x 1 1 20. sin x = csc x - sin x csc x 1 + sin 0 cos 0 + 21. = 2 sec 0 cos 0 cos 0 cot 0 1 + sin 0 22. 1 - sin 0 1 = csc 0 1 1 23. cos x + 1' cos x – 1 - 2 csc x cot x cos x sin x cos x 24. cos x 1- tan x sin x – cos x

Verifying a Trigonometric Identity In Exercises 19–24, verify the identity algebraically. Use the table feature of a graphing utility to check your result numerically. 1 1 19. tan x tan x + cot x cot x 1 1 20. sin x = csc x - sin x csc x 1 + sin 0 cos 0 + 21. = 2 sec 0 cos 0 cos 0 cot 0 1 + sin 0 22. 1 - sin 0 1 = csc 0 1 1 23. cos x + 1' cos x – 1 - 2 csc x cot x cos x sin x cos x 24. cos x 1- tan x sin x – cos x

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section7.6: The Inverse Trigonometric Functions

Problem 81E

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