Ashton W.

asked • 12/05/14

Find the exact value of the expression.

tan[cos-1(-squareroot3/2)]

2 Answers By Expert Tutors

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Mark M. answered • 12/05/14

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5.0 (278)

Mathematics Teacher - NCLB Highly Qualified

Ashton W.

cos-1 -√3/2 would be -pi/6. So the correct answer would be -√3/3, right?
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12/05/14

Mark M.

Yes, if π/2 ≥ θ ≥ -π/2.
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12/05/14

John G. answered • 12/05/14

Tutor
4.8 (52)

Understanding math via the real world.

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