1. sin x csc x = 1 2. tan x csc x + cotx sin x = sec x + cos x Pythagorean Identities 3. cos? x (1+ tan? x) = 1 Multiply 4. sin?x(csc²x + sec²x) = sec?x Factor tan?x-sec?x 5. tan x-sec x = tan x +E sec x Add Fractions sin x 1+ cos x 6. = 2 csc x 1+ cos x sin x Even/Odd 7. sin?(-x) + cos²x = 1 Sum/Difference Formulas sin(a- b) 8. = tan a cot b – 1
1. sin x csc x = 1 2. tan x csc x + cotx sin x = sec x + cos x Pythagorean Identities 3. cos? x (1+ tan? x) = 1 Multiply 4. sin?x(csc²x + sec²x) = sec?x Factor tan?x-sec?x 5. tan x-sec x = tan x +E sec x Add Fractions sin x 1+ cos x 6. = 2 csc x 1+ cos x sin x Even/Odd 7. sin?(-x) + cos²x = 1 Sum/Difference Formulas sin(a- b) 8. = tan a cot b – 1
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 43E
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