Question

Which pair of angles has congruent values for the sin x° and the cos y°? (5 points)
Select one:
a. 18°; 18°
b. 18°; 162
c. 18°; 72°
d. 18°; 108°

Answer 1

@ganeshie8

Answer 2

@goformit100

Answer 3

is it c?

Answer 4

I got c, too

Answer 5

sin 18 = cos 72, right?

Answer 6

so what is it

Answer 7

You can see this easily if you draw a right triangle.

Answer 8

18 and 72 are congruent
so is 20 and 70
30 and 60
and so on...
can u see the pattern ?
90 - a = b , a and b are congruent

Answer 9

So is the Answer C

Answer 10

Compare sin18 and cos 72 to discover that they're the same.

Answer 11

And as @kx2bay said, \[\sin(x)=\cos(90-x)\]or\[\cos(x)=\sin(90-x)\] in degrees

Answer 12

man i got a warning from the moderators for giving out straight answers and got told to lead u to it insetad, here me and science are trying our best to stick to code of conduct and help u ;)

Answer 13

are we still getting C for the answer

Answer 14

if u got C then u r right :)

Answer 15

Thnx guys

Answer 16

cheers :)