Posted by **Blaire** on Sunday, March 2, 2014 at 5:54pm.

given that sinx=3/4 and cosy=-5/13 and both x and y are in quadrant II, find the exact value of cos(x-y)

## Answer This Question

## Related Questions

- Trig - Find sin(x+y), cos(x-y), tan(x+y), and the quadrant of (x+y) if sinx= -1/...
- 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 ...
- maths - if sinx=3/5,cosy=12/13,where x and y both lie in 2nd quadrant, find the ...
- pre calc - Find the exact value of sin(x-y) if sinx=-3/5 in Quadrant III and ...
- trig - -Find sin(x+y), cos(x-y), tan(x+y) and the quadrant of x+y sinx=-3/5, ...
- Math - Angle x is in the second quadrant and angle y is in the first quadrant ...
- Trig - Find the exact value of the trigonometric function given that sin u=3/5 ...
- Urgent - draw an angle x in the 1st quadrant with sinx=3/5, and an angle y in ...
- Math - Find the exact value of the trig expression given that sin u = -5/13 and ...

More Related Questions