Question

In the triangle RST, RS = 65 and ST = 60. Which equation could be used to find the value of angle S?

A) tan(S) = 65/60



B) sin(S) = 65/60



C) sin(S) = 60/65



D) cos(S) = 60/65

Answer 1

Answer:cos(S) =

60

65

Explanation:

Answer 2

D.
`Cos S=(60)/(65)`

Explanation:

We are given that in triangle RST, RS=65 and ST=60

We have to find the equation that could be used to find the value of angle S.

We know that

`cos\theta=(Base)/(Hypotenuse)`

Base=ST=60 units

Hypotenuse=RS=65 units

`\theta=S`

Substitute the values in the given formula

Then, we get

`Cos S=(60)/(65)`

Hence, option D is true.