Wednesday

October 1, 2014

October 1, 2014

Posted by **Anonymous** on Sunday, March 16, 2014 at 4:35pm.

sin2x=cosx

- Trigonometry -
**Steve**, Sunday, March 16, 2014 at 4:37pm2sinx cosx = cosx

cosx(2sinx-1) = 0

so, where do you have

cosx = 0

sinx = 1/2

??

**Answer this Question**

**Related Questions**

Math-trigonometry - Several questions from my homework, any are appreciated. ...

Trigonometry - How do I find all solutions in the interval [0,2Pi): sin2x=cos2x ...

Trigonometry - Find all solutions of the equation in the interval [0,2pi] ...

Math - Approximate the equation's solutions in the interval (0,2pi). sin2x sinx...

trig - I need to find all solutions of the given equations for the indicated ...

Pre-Cal - Approximate the equation's soultions in the interval (o, 2pi). If ...

Pre-Cal(Please help) - Approximate the equation's soultions in the interval (o...

Math - Can I please get some help on these questions: 1. How many solutions does...

maths - hey, i would really appreciate some help solving for x when: sin2x=cosx ...

Trigonometry - Find all solutions of 4(sin(x)**2)-8cos (x) -8 = 0 in the ...