Question

Question 4 (v)
State whether the following are true or false. Justify your answer.
(v) cot A is not defined for $A=0^{\circ }$.

Answer 1

(v) True.
cot A = $\frac{cosA}{sinA}$
cot $0^{\circ }$ =$\frac{cos{0}^{\circ }}{sin{0}^{\circ }}$= $\frac{1}{0}$ = undefined.