Wednesday

April 1, 2015

April 1, 2015

Posted by **Elle** on Friday, August 14, 2009 at 3:12pm.

- Math values -
**Marth**, Friday, August 14, 2009 at 4:12pmThe question asks you to find the inverse cosine (arccosine) of -sqrt(3)/2

Think about your memory values and special triangles. Where is cosine(theta) equal to -sqrt(3)/2?

**Answer this Question**

**Related Questions**

trigonometry - Using exact values,find the value of: (A=30degrees) sin 2A + tan ...

Math - Find the exact solution(s) of the system: x^2/4-y^2=1 and x=y^2+1 A)(4,...

Trigonometry - Checking my work - Find the sum of the three smallest positive ...

Algebra - Find the exact solution(s) of the system: x^2/4-y^2=1 and x=y^2+1 A)(4...

trig - please help me with some questions I skipped on a review for our test ...

math - Find the exact value of cos 300 degrees. thanks guys cos 300 = 1/2 = 0....

Algebra - Find a polynomial function of degree 3 with the given numbers as zeros...

Math - The value of cos^-1(-(sqrt3/2)) in degree measure is what?

Precalculus check answers help! - 1. Which expression is equivalent to cos ...

Math - 3. find the four angles that define the fourth root of z1=1+ sqrt3*i z...