Westonci.ca offers fast, accurate answers to your questions. Join our community and get the insights you need now. Discover detailed solutions to your questions from a wide network of experts on our comprehensive Q&A platform. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

cos(2x) + sin^2(x) = 0

Cos2x Sin2x 0 class=

Sagot :

cos(2θ) + sin²(θ) = 0

Half-angle identity:

cos(2θ) + (1 - cos(2θ))/2 = 0

Simplify:

2 cos(2θ) + 1 - cos(2θ) = 0

cos(2θ) = -1

Solve for θ :

2θ = arccos(-1) + 2

2θ = π + 2

θ = π/2 +

where n is any integer.