Trigonometric Equations Question 317
In a right triangle $ AC=BC $ and D is the midpoint of AC, cotangent of angle $ DBC $ is equal to
Options:
A) 2
B) 3
C) 1/2
D) 1/3
Show Answer
Answer:
Correct Answer: A
Solution:
- $ \tan \alpha =\frac{a/2}{a}=\frac{1}{2}\Rightarrow \cot \alpha =2 $ .
BETA
