If sin(x) = -(5/13), π ≤ x ≤ (3π/2) and cos y = -(4/5), (π/2) ≤ x ≤ π
Determine the exact value of sin 4y
Please help, thank you. Provide full steps.
Determine the exact value of sin 4y
Please help, thank you. Provide full steps.