Question

A right triangle has an angle with a sine of 0.6. What is the cosine of the angle?

A) 0.36

B) 0.4

C) 0.64

D) 0.8

Answer 1

D 0.8

sin^2(x)+cos^2(x)-1

if x=0.6

then 0.6^2+cos(x)=1

cos^2=1-0.36=0.64

cos(x)=±0.8

Answer 2

that one

Explanation:

becase 1, math. 2, meth. and 4, science