Use basic identities to simplify sin³ x + cos² x sin c. Enclose arguments of functions in parentheses. For example, sin (2x). Remember that writing sin(x) to the fourth power as sin4 (a) is just a mathematical shorthand. You should write it as (sin (x))4, which is what Mobius expects. sin³x + cos2xsin 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 21E
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Use basic identities to simplify sin3 x + cos²x sina.
Enclose arguments of functions in parentheses. For example, sin (2x)
Remember that writing sin(x) to the fourth power as sin (x) is just a mathematical shorthand. You
should write it as (sin (x))4, which is what Mobius expects.
sin³ x
x + cos²xsin x
Transcribed Image Text:Use basic identities to simplify sin3 x + cos²x sina. Enclose arguments of functions in parentheses. For example, sin (2x) Remember that writing sin(x) to the fourth power as sin (x) is just a mathematical shorthand. You should write it as (sin (x))4, which is what Mobius expects. sin³ x x + cos²xsin x
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