Verify the identity.tan2x = sec2x - sin2x - cos2x
What will be an ideal response?
tan2 x = sec2 x - 1 = sec2 x - (sin2 x + cos2 x) = sec2 x - sin2 x - cos2 x.
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The cumulative number of flu cases reported by t days after an epidemic began is given by
?
.
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A. Use functional notation to indicate the initial number of flu cases.B. Calculate the value you found in part A.C. How many new cases were reported from day 20 to day 40? Round your final answer to the nearest whole number.
What will be an ideal response?
Determine the values of x for which the function is differentiable.y = x2 - 16
A. All real numbers except 16 B. All real numbers except 4 C. All real numbers D. All real numbers except -4 and 4
Use the figure to find the following.?CBG ? 
A. ?CBG
B. 
C. 
D. 
Find the exact value of the expression.tan-1 (-1)
A. 
B. 
C. - 
D. 