# Cis notation

Evaluate multiplication of two complex numbers in cis notation:

(6 cis 120°)(4 cis 30°)

Write result in cis and Re-Im notation.

(6 cis 120°)(4 cis 30°)

Write result in cis and Re-Im notation.

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Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

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