Find the exact value of the following expression without using a calculator.cos 60°
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use the fundamental identities to simplify the expression.
+ cos x sec x
A. csc x B. cot2 x C. csc2 x D. sec2 x
Mathematics
Given that ? is an angle in standard position whose terminal side contains the given point, provide the exact value of the indicated function.(-7, -6) Find cot ?.
A. 
B. - 
C. - 
D. 
Mathematics
If the line passing through the points (1, a) and (2, -8) is parallel to the line passing through the points (9, 8) and (2, a + 10), what is the value of a? ? a = __________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the equation for the indicated variable. Assume no denominator is 0.Ve = 
mv2, for v
A. v = ± 
B. v = ±
C. v = 
D. v = ±2 
Mathematics