Change the complex number to rectangular form.
cos 270°
A. 2.646 + 0j
B. -2.646 + 0j
C. 0 - 2.646j
D. 0 + 2.646j
Answer: C
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Use a graph to find an approximate solution to the equation. Round to the nearest thousandth.4(3x - 2) = 16
A. 0.000 B. 1.333 C. 2.000 D. 1.129
Use a calculator to find the value. Give answers as real numbers and round to 4 decimal places, if necessary.sin (arctan 2)
A. 0.8944 B. Undefined C. 0 D. -0.8172
Assume triangle ABC has standard labeling. Determine if AAS, ASA, SSA, SAS, or SSS is given, and decide if the law of sines or the law of cosines should be used to solve the triangle.a, ?, and c
A. SSA; law of sines B. AAS; law of sines C. SAS; law of cosines D. ASA; law of cosines
When solving a problem with geometric figures involved, we should use the problem-solving strategy.
Complete each statement with a word or phrase that makes it true.