CUET Preparation Today
The value of $\sqrt{cos60°cos30°-sin60°sin30°}$ is : |
$\frac{\sqrt{3}}{2}$ $\frac{1}{\sqrt{2}}$ 0 1 |
0 |
$\sqrt{cos60°cos30°-sin60°sin30°}$ { Using formula :- cos ( A + B ) = cosA . cosB - sinA . sinB } = $\sqrt{cos(60°+30°)}$ = $\sqrt{cos(90°)}$ = 0 |
