The value of ( 60^ 30^ - 60^ 30^ )is: - Vidyadip

MCQ

The value of $(\cos60^\circ\cos30^\circ-\sin60^\circ\sin30^\circ)\text{is:}$

A
$0$
✓
$\frac{\sqrt{3}}{2}$
C
$\frac{1}{2}$
D
$1$

✓

Answer

Correct option: B.

$\frac{\sqrt{3}}{2}$

(B) $\frac{\sqrt{3}}{2}$

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 Introduction of Trigonometry→Introduction of Trigonometry — all question types→Maths STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

A pendulum swings through an angle of $60^{\circ}$ and describes an arc $8.8 cm$ in length. The length of pendulum is

If in a $ \triangle\text{ABC}, \angle\text{C}=90^\circ$ and $\angle\text{B}=45^\circ,$ then state which of the following is true?

The zeroes of a polynomial $x^2-7 x+12$ are :

Which of the following is not a measure of central tendency?

In right triangle $\text{ABC},$ right angled at $C,$ if $\tan A = 1,$ then the value of $2 \sin A \cos A$ is :

A card is selected at random from a well shuffled deck of $52$ playing cards. The probability of its being a face card is :

A chord of a circle of radius 10cm subtends a right angle at the centre. The length of the chord (in cm) is:

A die is thrown once. The probability of getting an odd number greater than $3$ is :

If one root of the equation $2x^2+ ax + 6 = 0$ is $2$ then $a =$ ?

Choose the correct answer from the given four options:
cone is cut through a plane parallel to its base and then the cone that is formed on one side of that plane is removed. The new part that is left over on the other side of the plane is called: