SOLUTION: Evaluate a) sin^2(π/4) + cos^2(π/4) b) sin^2(π/6) + cos^2(π/6) c) sin^2(π/3) + cos^2(π/3) Can you please help ? Thanks so much in advance:)

Algebra ->  Trigonometry-basics -> SOLUTION: Evaluate a) sin^2(π/4) + cos^2(π/4) b) sin^2(π/6) + cos^2(π/6) c) sin^2(π/3) + cos^2(π/3) Can you please help ? Thanks so much in advance:)      Log On


   



Question 857582: Evaluate
a) sin^2(π/4) + cos^2(π/4)
b) sin^2(π/6) + cos^2(π/6)
c) sin^2(π/3) + cos^2(π/3)
Can you please help ? Thanks so much in advance:)

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate
Identity: sin^2(x)+cos^2(x)=1
a) sin^2(π/4) + cos^2(π/4)=1
b) sin^2(π/6) + cos^2(π/6)=1
c) sin^2(π/3) + cos^2(π/3)=1