Question

Help with trig functions?
Find the exact values of sin A and cos A. Write fractions in lowest terms.
http://prntscr.com/53i1w7

Answer 1

@satellite73

Answer 2

is this all that was given?
what is your reference angle?

Answer 3

yes that is all we were given @nikato

Answer 4

sine = opposite/hypotenuse

cosine = adjacent/hypotenuse

Answer 5

is this correct?

Answer 6

yes correct, you beat me to it

Answer 7

actually no I spoke too soon. The opposite and adjacent need to be swapped (see my drawing)

Answer 8

your drawing has everything with angle B as the angle of reference

Answer 9

sin=20/25=4/5
cos=15/25=3/5

Answer 10

very good

sin(A) = 4/5
cos(A) = 3/5

Answer 11

thank you

Answer 12

np