Use the information given about the angle ? to find the exact value of the indicated trigonometric function.cos ? = - 
, sin ? > 0Find cos 
.
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Find the present value. Round to the nearest cent.
A. $3856.78 B. $15,373.01 C. $3843.22 D. $3951.32
Mathematics
Find decimal notation.
A. 0.16 B. 0.36 C. 0.42 D. 0.28
Mathematics
Use the basic trigonometric identities to find the exact value of the expression.Given sec t =-5 and tan t < 0, find tan t.
A. tan t = -4
B. tan t = -6
C. tan t = -
D. tan t = -2
Mathematics
Find an equation in slope-intercept form (where possible) for the line.Through (0, -1), m = 
A. y = 
x + 1
B. y = 
x - 1
C. y = - 
x - 1
D. y = - 
x + 1
Mathematics