Monday

March 2, 2015

March 2, 2015

Posted by **mike** on Wednesday, May 30, 2012 at 6:59am.

sinx/2=square root of 2- sinx/2

- trig -
**Reiny**, Wednesday, May 30, 2012 at 7:42amI read that as

sin (x/2) = √2 - sin(x/2)

2sin(x/2) = √2

sin(x/2) = √2/2

x/2 = 45° or 135°

x = 90° or x = 270°

**Answer this Question**

**Related Questions**

Trig Help - Prove the following: [1+sinx]/[1+cscx]=tanx/secx =[1+sinx]/[1+1/sinx...

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

math - the problem is 2cos^2x + sinx-1=0 the directions are to "use an identity ...

trigonometry - can i use factoring to simplify this trig identity? the problem ...

Math - 1) evaluate without a calculator: a)sin(3.14/4) b) cos(-3(3.14)/4) c) ...

Trigonometry - Hi, I really need help in understanding how to solve trig ...

Pre-calc - prove the identity: (cosx)(tanx + sinx cotx)=sinx+cos(squared)x i ...

math - solve each equation for 0=/<x=/<2pi sin^2x + 5sinx + 6 = 0? how do ...

trig - find the exact solutions 2cos^2x+3sinx=0 the way it stands, that is a "...

Trigonometic - Solving Trigonometic Equations solve for x and give the answers ...