How do you find cosine, tangent, and cotangent periods?
for both sine and cosine
sin(kØ) and cos(kØ) have period of 2π/k or 360°/k
tan (kØ) has period π/k or 180°/k
sin(kØ) and cos(kØ) have period of 2π/k or 360°/k
tan (kØ) has period π/k or 180°/k