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dx d (tan³ x) = 3 (sec+ x - 1 19 a Show that dx sec² x). I b Hence find fö sec4 x dx. EN

dx d (tan³ x) = 3 (sec+ x - 1 19 a Show that dx sec² x). I b Hence find fö sec4 x dx. EN

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 81E
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How to solve Q19 a and b. Thank you.
Help Trig Functions.pdf Page 37 of 46 Chapter 7 The trigonometric functions 18 Find d dx (x sin 2x), and hence find 19 a Show that i 2 sin 3x cos 2x dx ✔ [si ing the primitive, (²³ d -(tan³ x) = 3 (sec¹ x - sec² x). dx c Show that 0 x cos 2x dx. 20 a Show that sin (A + B) + sin (A - B) = 2 sin A cos B. b Hence find: √³2 0 0, 72% 4 ho identity ☎ Q ii Q Search b Hence find nd ₁ se Sat 29 Apr 11:54:37 am sin mx cos nx dx = 0 for positive integers m and n: sec+ x dx. si sin 3x cos 4x dx ii using symmetry arguments. ENRICH 7 sin x + 11 cos x.
Transcribed Image Text:Help Trig Functions.pdf Page 37 of 46 Chapter 7 The trigonometric functions 18 Find d dx (x sin 2x), and hence find 19 a Show that i 2 sin 3x cos 2x dx ✔ [si ing the primitive, (²³ d -(tan³ x) = 3 (sec¹ x - sec² x). dx c Show that 0 x cos 2x dx. 20 a Show that sin (A + B) + sin (A - B) = 2 sin A cos B. b Hence find: √³2 0 0, 72% 4 ho identity ☎ Q ii Q Search b Hence find nd ₁ se Sat 29 Apr 11:54:37 am sin mx cos nx dx = 0 for positive integers m and n: sec+ x dx. si sin 3x cos 4x dx ii using symmetry arguments. ENRICH 7 sin x + 11 cos x.
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