What is cosD, in simplest form?
a. 3/5
b. 3/4
c. 4/5
d. 5/3

Answer:
[tex]\sf cos(D) = \dfrac{3}{5}[/tex]
using the cosine formula:
[tex]\sf cos(x) = \dfrac{adjacent}{hypotenuse}[/tex]
solve:
[tex]\hookrightarrow \sf cos(D) = \dfrac{15}{25}[/tex]
simplified:
[tex]\hookrightarrow \sf cos(D) = \dfrac{3}{5}[/tex]
Answer:
a. 3/5
Step-by-step explanation:
Trig ratio:
[tex]\mathsf{cos(\theta)=\dfrac{adjacent \ side}{hypotenuse}}[/tex]
Given:
[tex]\mathsf{\implies cos(D)=\dfrac{15}{25}=\dfrac35}[/tex]