Trigonometric identities and equations

trig identities, trig equations, Pythagorean identity, double angle, sum and difference formulas, solve trig equations The Pythagorean identity and simplifying, Solve sin x = c, cos x = c and tan x = c, Solve trigonometric equations by factoring, Equations with a multiple angle, Sum and difference identities, Double-angle identities, Solve equations with identities