Q23. Find the solutions for the equation cos(z + π/4) = -1/2 in the interval 0 ≤ z ≤ 2π.Mathematics — NUST Mock 6 — Question 23 of 200A. 5π/12, 13π/12B. π/2, 3π/2C. 2π/3, 4π/3D. π/4, 5π/4Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →