?

Geometry

Free Version

Upgrade subject to access all content

Difficult

Trigonometry: True Statements Regarding Trig Ratios

GEOM-QBWXD3

McGinness. Created for Albert.io. Copyright 2016. All rights reserved.

Select ALL statements that are TRUE.

A

$\text {cos C}=\cfrac {x}{15}$

B

$15(\text {tan B})=AC$

C

${\text {cos}}^{-1}(\cfrac {15}{x})=\text {m}\angle {B}$

D

$\text {cos A}=\cfrac {15}{x}$

E

$\text {sin B}=\cfrac {1}{\frac {x}{AC}}$

F

$\text {tan C}=\cfrac {15}{AC}$

G

$\text {cos C}=\cfrac {AC}{x}$

H

${\text {tan}}^{-1}(\cfrac {AC}{15})=\text {m}\angle {C}$