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Popular >

3(cos(pi/2)+isin(pi/2))

Solution

3 (cos (\frac{π}{2}) + i sin (\frac{π}{2}))

Solution

3 i

Solution steps

3 (cos (\frac{π}{2}) + i sin (\frac{π}{2}))

Use the following trivial identity:

cos (\frac{π}{2}) = 0

Use the following trivial identity:

sin (\frac{π}{2}) = 1

= 3 (0 + i 1)

Simplify

= 3 i

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Frequently Asked Questions (FAQ)

What is the value of 3(cos(pi/2)+isin(pi/2)) ?
The value of 3(cos(pi/2)+isin(pi/2)) is 3i