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

Answer

$\cot \text{A}$ is not defined for $\text{A}=0^\circ$True

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

State whether the following are true or false. Justify your answer.$\cos \text{A} $ is the abbreviation used for the cosecant of angle A.
Write ‘True’ or ‘False’ and justify your answer in the following:
A solid cylinder of radius r and height h is placed over other cylinder of same height and radius. The total surface area of the shape so formed is $4\pi\text{r h}+4\pi\text{r}^2.$
D is a point on side QR of $\triangle\text{PQR}$ such that $\text{PD}\perp\text{QR}$ will it be correct to say that $\triangle\text{PQD}\sim\triangle\text{RPD}?$ Why?
State whether the following statements are true or false. Justify your answer.
$\triangle\text{ABC}$ with vertices A(-2, 0), B(2, 0) and C(0, 2) is similar to $\triangle\text{DEF}$ with vertices D(-4, 0) and F(0, 4).
D is a point on side QR of $\triangle\text{PQR}$ such that $\text{PD}\perp\text{QR}$ will it be correct to say that $\triangle\text{PQD}\sim\triangle\text{RPD}?$ Why?
Is it true to say that area of a square inscribed in a circle of diameter $p \ cm$ is $p^2 \ cm^2$ ? Why?
State whether the following are true or false. Justify your answer.$\cot \text{A}$ is the product of $\cot$ and A.
Write ‘True’ or ‘False’ and justify your answer in the following: A solid cone of radius r and height h is placed over a solid cylinder having same base radius and height as that of a cone. The total surface area of the combined solid $\pi\text{r}\Big[\sqrt{\text{r}^2+\text{h}^2}+3\text{r}+2\text{h}\Big].$
Write ‘True’ or ‘False’ and justify your answer.
The tangent to the circumcircle of an isosceles triangle$\triangle\text{ABC}$ at A, in which AB = AC, is parallel to BC.
Write ‘True’ or ‘False’ and justify your answer.
$(\tan\theta+2)(2\tan\theta+1)=5\tan\theta+\sec^2\theta$