Exam-Trigonometry

EXAM Trigonometry

1)Change this degrees into radians: a) 0 ◦ b) 45◦ c) 300◦ d) 315◦

Answer: a) 0, b) π/4, c) 5π/3, d) 7π/4 2) Graph f(x)=cos(x) and g(x)=2cos(x)! Determine 8 characteristics for g(x)!

3) Prove each identity! a) sinӨtanӨ + secӨ  = sin^2Ө +1 / cosӨ b) sinӨcosӨtanӨ = 1 - cos^2 Ө