Free Version
Moderate

# Trigonometric Ratios

SATSTM-LWNQOJ

If in triangle $\text{ABC}$, angle $\text{B}$ is a right angle, then which of the following are true?

I. $\text{cos A}=\cfrac{\text{AB}}{\text{AC}}$

II. $\text{sin C}=\cfrac{\text{AB}}{\text{AC}}$

III. $\text{tan A}=\text{cot C}$

A

$\text{I only}$

B

$\text{II only}$

C

$\text{I and II only}$

D

$\text{I and III only}$

E

$\text{I, II, and III}$