(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Find X?

1.732cos(x)-1.16=sin(x)

Answer: X = 24.6

2. Relevant equations

3. The attempt at a solution

sin(x) = sqrt(1-cos(x)^2)

1.732cos(x)-1.16=sqrt(1-cos(x)^2)

1.732^2 cos(x)^2 -1.16^2= 1-cos(x)^2

3cos(x)^2-2.3456=1-cos(x)^2

4cos(x)^2=3.3456

cos(x)^2=3.34556/4

x=23.8

There when wrong?

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Maths question

**Physics Forums | Science Articles, Homework Help, Discussion**