Question

The sine of 71 degrees is equal to 0.946, rounded to the nearest thousandth. What is the measure of an angle whose cosine is also equal to 0.946?

Answer


17°


19°


45°


90°

Answer 1

sin(90-x) = cosx

Answer 2

yes....

Answer 3

I THINK the answer is A

Answer 4

since cosine is the recipricoal of sine

Answer 5

yes no maybe so?

Answer 6

@anqie37

Answer 7

90-71=19

Answer 8

csc 0.946=18.915=19 degrees

Answer 9

thou art correct @cutepochacco
gracias
thou art also correct @ankit042
I shall give the medal to @ankit042 because he replied first, and his name includes 42

All hail D.A.