Complex Numbers
India
Class XI
Powers of Complex Numbers in Polar Form
Interactive practice questions
Find $\left(\cos40^\circ+i\sin40^\circ\right)^9$(cos40°+isin40°)9.
Give your answer in rectangular form.
Easy
2min
Find $\left(3\left(\cos180^\circ+i\sin180^\circ\right)\right)^2$(3(cos180°+isin180°))2.
Give your answer in rectangular form.
Easy
1min
Find $\left(5\left(\cos30^\circ+i\sin30^\circ\right)\right)^3$(5(cos30°+isin30°))3.
Give your answer in rectangular form.
Easy
1min
Find $\left(2\left(\cos60^\circ+i\sin60^\circ\right)\right)^6$(2(cos60°+isin60°))6.
Give your answer in rectangular form.
Easy
< 1min
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