Loading...
In ΔABC, ∠B = 90°. If AB/AC = 1/2, then cos C is equal to
In Figure, is shown a sector OAP of a circle with centre O, containing ∠θ. AB is a perpendicular to the radius OA and meets OP produced at B. Prove that the perimeter of shaded region is r [tan θ + sec θ + πθ/180° – 1]
© 2026 PadhAiPro. This question is provided for educational purposes.