Verify that the equation is an identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?
What will be an ideal response?
sin(? - ?) cos (? + ?) = (sin ? cos ? - cos ? sin ?)(cos ? cos ? - sin ? sin ?) 
= sin ? cos ? - sin ? cos ?
Mathematics
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Refer to the figures below to answer the following question.
Which of the figures is a gnomon to Figure B?
A. Figure D B. Figure A C. Figure E D. Figure C E. none of these
Mathematics
For an election with 4 candidates (A, B, C, and D) we have the following preference schedule:
Using the plurality-with-elimination ranking method, which candidate comes in second?
A. A B. B C. C D. D E. none of these
Mathematics
Use an equation to solve the percent problem.125% of 24 is what number?
A. 300 B. 3000 C. 30 D. 3
Mathematics
Use a fraction to represent the shaded area of the figure.
A. 
B. 
C. 
D. 
Mathematics