Verify the identity. 5-5 tan4 x sec² x - = 5(1 tan² x) First factor the numerator, then use the Pythagorean identity for sec² x. Finally simplify by dividing out the common factors. (Simplify completely at each step.) 5 - 5 tan4 x 5(1 - tan4 x) = sec² x = sec² x 5(1 + Need Help? Master It |)(1 - tan² x) sec² x )(1 - tan² x) sec² x
Verify the identity. 5-5 tan4 x sec² x - = 5(1 tan² x) First factor the numerator, then use the Pythagorean identity for sec² x. Finally simplify by dividing out the common factors. (Simplify completely at each step.) 5 - 5 tan4 x 5(1 - tan4 x) = sec² x = sec² x 5(1 + Need Help? Master It |)(1 - tan² x) sec² x )(1 - tan² x) sec² x
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 24E
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