Answer:
d
Step-by-step explanation:
cosA^2 = 1 - sinA^2
subtitute 1/4 below
= 1 - (1/4)^2
= 1 - 1/16
after calculation
= - 0.9682
Answer:
Step-by-step explanation:
we know that
using proportion

B.
You would first have to add 9 to each side so that the equation equaled 0. Then you could pull these numbers.