Question

What is csc ( Reduce fractional answers to lowest terms.

Answer 1

cscA =
`(5)/(4)`

Explanation:

Using the identity

csc x =
`(1)/(sinx)` , then

sinA =
`(opposite)/(hypotenuse)` =
`(BC)/(AB)` =
`(8)/(10)` =
`(4)/(5)` , thus

cscA =
`(1)/((4)/(5) )` =
`(5)/(4)`