Find the exact value of the expression if ? = 60°. Do not use a calculator.f(?) = sin ?Find 12f(?).
A. - 
B. 6
C. 6
D. - 
Answer: C
Mathematics
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Solve the problem.Show that A = au + bv is orthogonal to B = bu - av, where u and v are orthogonal unit vectors.
What will be an ideal response?
Mathematics
Simplify.
- 
+ 
A. 
B. 
C. 
D. None of these
Mathematics
Perform the indicated operation and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Write the number in decimal notation.4.5 × 106
A. -99,955 B. 0.00045 C. 4,500,000 D. 100,045
Mathematics