Perform the Indicated Operation $\left. \left. \cos 30 ^ { \circ } + i \sin 30 ^ { \circ } \right) \right] \left[ 3 \left( \cos 90 ^ { \circ } + i \sin 90 ^ { \circ } \right) \right]$

question 120

Multiple Choice

Perform the indicated operation. Give answers in rectangular form expressing real and imaginary parts to four decimal
places.
-[8( $\left. \left. \cos 30 ^ { \circ } + i \sin 30 ^ { \circ } \right) \right] \left[ 3 \left( \cos 90 ^ { \circ } + i \sin 90 ^ { \circ } \right) \right]$

• A) \(- 5.5000 + 9.5263 \mathrm { i }\)
• B) \(- 0.5000 + 0.8660 \mathrm { i }\)
• C) \(- 12.000 + 20.7846 \mathrm { i }\)
• D) \(- 1.0000 + 1.7321 \mathrm { i }\)

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PL94-142

Also known as the Education for All Handicapped Children Act of 1975, it mandates public schools to provide free and appropriate education to children with disabilities.

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Individuals with Disabilities Education Act, a U.S. law ensuring students with disabilities are provided with Free Appropriate Public Education tailored to their individual needs.

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The National Assessment of Educational Progress, known as "the Nation's Report Card," which measures student achievement in various subjects across the U.S.