Trigonometry 7-1 Basic Trig Identities
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-csc(π/3)
Express as a trigonometric function of an angle in Quad 1: csc(10π/3) =
csc(π/3)
Express as a trigonometric function of an angle in Quad 1: csc(14π/3) =
tan(π/5)
Express as a trigonometric function of an angle in Quad 1: tan(16π/5) =
-tan(π/5)
Express as a trigonometric function of an angle in Quad 1: tan(19π/5) =
2
Simplify: (sinθ + cosθ)² + (sinθ - cosθ)²
cosθ
Simplify: sinθcosθsecθcotθ
secθ
Simplify: cosθ + cosθtan²θ
cscθ
Simplify: secθ/tanθ
(√5)/3
cosθ = -2/3, and 90° < θ < 180°. Find sinθ =
-3/4
secθ = -5/4, and 90° < θ < 180°. Find tanθ =
(4√3)/3
tanθ = (√3)/4, and 0 < θ < π/2. Find cotθ =
-(3√13)/13
tanθ = 2/3, and π < θ < 3π/2. Find cosθ =
