Learn how to solve polynomial factorization problems step by step online. Solve the trigonometric equation 3sin(x)^2-5cos(x)+-1=0. Applying the trigonometric identity: \sin\left(\theta \right)^2 = 1-\cos\left(\theta \right)^2. Multiply the single term 3 by each term of the polynomial \left(1-\cos\left(x\right)^2\right). We can try to factor the expression 2-3\cos\left(x\right)^2-5\cos\left(x\right) by applying the following substitution. Substituting in the polynomial, the expression results in.

Solve the trigonometric equation 3sin(x)^2-5cos(x)+-1=0