Simplify sin(2θ)1+cos(2θ)\frac{\sin(2\theta)}{1 + \cos(2\theta)}1+cos(2θ)sin(2θ).
sin(θ)cos(θ)\frac{\sin(\theta)}{\cos(\theta)}cos(θ)sin(θ)
sec(θ)\sec(\theta)sec(θ)
tan(θ)\tan(\theta)tan(θ)
cot(θ)\cot(\theta)cot(θ)