Friday

February 27, 2015

February 27, 2015

Posted by **kyu** on Monday, May 24, 2010 at 3:19pm.

is it 4/square root of 17?

- Math Trig -
**Reiny**, Monday, May 24, 2010 at 4:26pmyes, X' would be in quadrant I, so its cosine would be positive.

cos X' = 4/√17

**Answer this Question**

**Related Questions**

MATH: TRIG - IF X IS AN ANGLE IN THE FIRST QUADRANT AND COSX= 3/5, FIND THE ...

Trig - Find the exact value of sinx/2 if cosx = 2/3 and 270 < x < 360. A)1...

MATH PLEASE - can a reference angle be negative? Tye "reference angle" in google...

math-trig - Use the double angle identities to find sin2x if sinx= 1/square of ...

trig - (a) sketch an angle A in standard position whose terminal ray passses ...

Trig........ - I need to prove that the following is true. Thanks (cosx / 1-sinx...

Trig - I'm confused on how to determine what the end result angles are for a ...

Math - Verify the identity . (cscX-cotX)^2=1-cosX/1+cosX _______ sorry i cant ...

trig - Angle x is in the second quadrant and angle y is in the first quadrant ...

trig - Angle x is in the second quadrant and angle y is in the first quadrant ...