Question

Find the secant of angle A.

Answer 1

do you know what mean a secant of an angle ?

Answer 2

bc. this triangle is a right triangle and given the lengths of every sides so you can using sin, ,cos,... every trigonometric functions

Answer 3

what does secant mean?

Answer 4

the measure of angle

Answer 5

looke here
https://www.mathopenref.com/secant.html

Answer 6

2. Trigonometry
The secant of an angle in a right triangle is the hypotenuse divided by the adjacent side.
sec x =
H
A

See Secant of an angle - trigonometry.

Answer 7

Is the answer 5/3?

Answer 8

or use

sec x = 1/cos x

Answer 9

But is 5/3 correct?

Answer 10

cos A = ?

Answer 11

do you know the law of cosine ?

Answer 12

I'm saying
secant of angle A = 5/3

Answer 13

is that correct?

Answer 14

step by step

cos A = adj. / hyp yes ?

Answer 15

cos A = 9/15 = 3/5

than from this result sec A = 1/cos A = 1/(3/5 = 5/3

hope this is understandably now

Answer 16

yes with this 5/3 what you ve wrote above you are right sure

Answer 17

any question ?

Answer 18

ok

was my pleasure good luck

bye bye