Answer:
Step-by-step explanation:
You just have to take the inverse:
csc θ = 1 / sin θ
sec θ = 1 / cos θ
cot θ = 1 / tan θ
For example:
(a) sin θ = 3/5
cos θ = 4/5
tan θ = 3/4
csc θ = 1 / sin θ = 1 / (3/5) = 5/3
sec θ = 1 / cos θ = 1 / (4/5) = 5/4
cot θ = 1 / tan θ = 1 / (3/4) = 4/3
