Question

given a right triangle ABC, which of the following statements must be true? check all that apply pic in comments

a) sinA=cos (90-C)
b)cosA=sinC
c) sinA=cos(90-A)
d) angle a and angle c are supplementry

http://media.apexlearning.com/Images/201306/28/39aa765d-633d-403c-a465-9fa218804240.jpg

Answer 1

d because in a right triangle that is true

Answer 2

Don't forget to medal and fan if you already haven't. Plus mention me if you need more help @angelxar

Answer 3

@dabest21 is d the only one?

Answer 4

oh one sec

Answer 5

ok thank you @dabest21

Answer 6

1 more. @DaBest21

Answer 7

which one is it @loser66

Answer 8

b

Answer 9

Yup

Answer 10

not d i thought it said complimentary

Answer 11

Yes again, not d but....?

Answer 12

Ok, the correct answers are b and c

Answer 13

Yeah it isn't D xD