Hey !!! sin²¢ + sin²¢ = 1 2sin²¢ = 1 sin²¢ = 1/2 sin¢ = √1/2 sin¢ = sin45° ..¢ = 45° cos²¢ + cos⁴¢ = ?? cos²45° + cos⁴45° = (1/√2)² + (1/√2)⁴ = 1/2 + 1/4= 1/2+ 1 /4 = 2 + 1/4 = 3/4= 0.75 Answer *****************************HOPE it helps you !!!@Rajukumar111
Your experience on this site will be improved by allowing cookies. Read Cookie Policy