Saturday

October 25, 2014

October 25, 2014

Posted by **Amir** on Monday, January 23, 2012 at 9:12am.

- math -
**bobpursley**, Monday, January 23, 2012 at 9:56amI bet if you used

cos^2 Y= 1-Sin^2 Y

you would end up with a quadratic equation. If you are stuck, let x=SinY, and solve it that way.

- math -
**Amir**, Monday, January 23, 2012 at 9:59amthanks

**Answer this Question**

**Related Questions**

Maths - Solve this equation fo rx in the interval 0<=x<=360 3sinxtanx=8 I ...

maths - solve 3cos^2 2x +4 sin 2x =1 0<x<360

trig - Okay, I've been getting some of these, but I can't seem to verify this ...

maths---urgently needed - range of sin(siny) +cos(siny)

pre cal - Verify each identity sin^x+siny/sinx-siny=tan(x+y/2) (times) cot(x-y/2...

maths - find the range of sin(siny)+cos(siny)

Math - Find y'(x) when cos y - y^2 = 8 a) -siny - 2y b) - (1/sin y - 2y) c) 0 d...

Trigonometry Help - Simplify: sin(x-y)cosy+cos(x-y)siny = (sinxcosy-cosxsiny)...

math - A and B these 2 companies are fixing a road,A fixes 62% of the road,which...

Trigonometry - Prove that (cosy/1+siny) + (1+siny/cosy) = 2secy