JEE MATHEMATICS MCQ: COMPLEX NUMBERS

1 Easy

1 of 1

Application +4 | -1

The value of

\frac{{\cos 30^\circ + i\sin {{30}^0}}}{{\cos 60^\circ - i\sin {{60}^0}}}

is equal to

View answer and explanation

Correct option: A

i

Option A (i) is correct because using Euler's formula and simplifying the expression results in the imaginary unit i.

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{\left| {1 - i} \right|^x} = {2^x}

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z \neq \pm 1

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\left|\sum\limits_{r=1}^n z_r\right|

(z+a b)^3=a^3

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\alpha, \beta

\gamma

|\alpha-\beta|

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2x = - 1 + \sqrt 3 i

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