Engineering Board Exam Reviewer · Inverse Trigonometric Functions · hard

Solve for x: x=2 x.

1. 1/2
2. sqrt(2)2 0.707
3. sqrt(3)2 0.866
4. 1

Answer

C. sqrt(3)2 0.866

Solution

Let = x. Then x= π2- , so π2- =2 = π6 and x= π6= 3/2.

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