Simplify the absolute value 3|\cos ?| if ? = \sin^{−1} \frac{x}{3}

defazajx 2020-10-31 Answered
Simplify the absolute value
3|cos?|
if
?=sin1x3
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Expert Answer

Nicole Conner
Answered 2020-11-01 Author has 97 answers

Step 1
Given angle is,
0=sin1x3
Here, the objective is to find the simplify for absolute sin1x3.
sin0=x3
Then, by the trigonometric rule.
cos0=1(x3)2
=1x29
=9x29
=139x2
Step 2
Then, the absolute value of 3|cos0|.
3|cos0|=3|139x2|
=9x2
Thus, this the absolute value.

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Jeffrey Jordon
Answered 2021-11-03 Author has 2047 answers

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