Exercises — Outcome 5: Trigonometric Identities and Equations
1 hands-on tasks. Do them in order; each one feeds the Canvas item it names.
35 min · written
1. Identity Verification and Solving
- Verify: (sin²θ + cos²θ)/cosθ = secθ. Work one side only.
- Simplify: cos(2θ) + 2sin²θ using a double angle identity.
- Solve for θ ∈ [0, 2π): 2sin(θ) − 1 = 0. List all solutions.
Turn in / bring: Fully shown algebraic work submitted to Canvas.