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

defazajx

defazajx

Answered question

2020-10-31

Simplify the absolute value
3|cos?|
if
?=sin1x3

Answer & Explanation

Nicole Conner

Nicole Conner

Skilled2020-11-01Added 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.

Jeffrey Jordon

Jeffrey Jordon

Expert2021-11-03Added 2605 answers

Answer is given below (on video)

Do you have a similar question?

Recalculate according to your conditions!

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?