2 A=2 A is true when A= - Vidyadip

MCQ

$\sin 2 A=2 \sin A$ is true when $A=$

✓
$0^{\circ}$
B
$30^{\circ}$
C
$45^{\circ}$
D
$60^{\circ}$

✓

Answer

Correct option: A.

$0^{\circ}$

A

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

Explore more

More "M.C.Q (1 Marks)" from Trigonometric Ratios→Trigonometric Ratios — all question types→Maths STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

Which of the following can not be the probability an event ?

The graphs of the equations 6x - 2y +90 and 3x - y + 12 = 0 are two lines which are

If $2$ is a root of the equation $x^2+ ax + 12 = 0$ and the quadratic equation $x^2+ ax + q = 0$ has equal roots, then $q =$

The system of equations given by $\begin{array}{l}2 x-3 y=5 \\ 6 x+9 y=15\end{array}$

What is the largest number that divides 245 and 1029, leaving remainder 5 in each case?

$\frac{\sin \theta}{1+\cos \theta}$ is equal to

sin 2A = 2 sin A is true when A =

If the $\text{HCF}$ of $210$ and $55$ is expressible in the form $210 \times 5 + 55y,$ then $y =$

If the point $P ( k -1,2)$ is equidistant from the points $A (3, k )$ and $B ( k , 5)$, then the value of $k$ equal to.

Choose the correct answer from the given four options:
A school has five houses A, B, C, D and E. A class has 23 students, 4 from house A, 8 from house B, 5 from house C, 2 from house D and rest from house E. A single student is selected at random to be the class monitor. The probability that the selected student is not from A, B and C is: