Question

Question ▶

sin^2xπ/6+cos^2π/3-tan^2π/4 =-1/4

Answer 1

see the attachment I think it will help you ^_^

✴π/3=60°

✴π/4=45°

✴π/6=60°



THANKS ❤^_^


#RÔYÂL CHÔRÎ ♥

Answer 2

sin 45o = 1. 2. = 2. 2 sin 30o = 1. 2 cos 45o = 1. 2. = 2. 2 cos 30o = 3. 2 tan 45o = 1. 1. = 1 .... Hence another solution is π/6+2π/3 = 5π/6.