Practice problem
Solve for all solutions on the interval [0,2π)[0,2\pi)[0,2π) 8cos(2θ)=8cos2(θ)−1\\8\cos(2\theta)=8\cos^2(\theta)-18cos(2θ)=8cos2(θ)−1
000
0.3610.3610.361
2.782.782.78
3.5033.5033.503
4.2014.2014.201
5.9225.9225.922
Type a concept, like “slope” or “photosynthesis”.