An acute angle θ is in a right triangle with cos θ = 3 / 5 . What is the value of sec θ?
We will use the concepts of trigonometry to find the value of sec θ.
Answer: sec θ = 5 / 3
Let us use the concept of trigonometry to find the value of sec θ.
It is given that in a right-angled triangle, cos θ = 3 / 5.
We all know that sec θ = 1 / cos θ.
Hence, substituting the values in the formula of sec θ we get sec θ = 5 / 3