Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = 
, 0 < ? < 
and cos ? = 
, 0 < ? < 
, find the exact value of tan (? + ?).
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Express the sum or difference as a product.cos 75?- cos 15?
A. - 
B. 
C. - 
D. 
Mathematics
Find all rational zeros and factor f(x).f(x) = 8x3 + 34x2 - 29x + 5
A. 2, 4, -5; f(x) = (2x - 1)(4x - 1)(x + 5)
B. 
, 1, -5; f(x) = (8x - 1)(x - 1)(x + 5)
C. 
, 
, -5; f(x) = (2x - 1)(4x - 1)(x + 5)
D. 
, 4, -5; f(x) = (8x - 1)(x - 4)(x + 5)
Mathematics
The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = 2x B. f(x) = 2-x C. f(x) = - 2x D. f(x) = - 2-x
Mathematics
Factor out the GCF from the polynomial. If the GCF is 1, write prime.28x9 + 24x4 - 24x2
A. 4(7x9 + 6x4 - 6x2) B. prime C. x2(28x7 + 24x2 - 24) D. 4x2(7x7 + 6x2 - 6)
Mathematics