Find all solutions to the equation in [0°, 360°). sin ? + 1 = 
cos ?
A. {60°, 120°, 180°}
B. {30°, 150°, 270°}
C. {30°, 270°}
D. {60°, 270°}
Answer: C
Mathematics
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Solve the problem.How many different 4-letter radio-station call letters can be made if the first letter must be K or W, repeats are allowed, but the call letters cannot end in an O?
A. 35,152 B. 16,900 C. 33,800 D. 456,976
Mathematics
Multiply the monomials.2x7 ? 9x8
A. 36x15 B. 11x15 C. 18x56 D. 18x15
Mathematics
Identify the domain and range of the following relation.{(15, 15), (-2, -10), (5, 9)}
A. Domain: {15, -2, 5}, range: {-10, 9} B. Domain: {15, -10, 9}, range: {15, -2, 5} C. Domain: {15, -2, 5}, range: {15, -10, 9} D. Domain: {-2, 9, 15} , range: {-10, 5, 15}
Mathematics
Use exact values to show that the expression is true.
?
What will be an ideal response?
Mathematics