Verify that the equation is an identity.
cos²(x)tan²(x) + cos²(x) = 1
Mathematics
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Find all vertical asymptotes of the given function.R(x) = 
A. x = -7, x = 3, x = -3 B. x = 7, x = -3 C. x = -7, x = 3 D. x = - 21
Mathematics
Provide an appropriate response.True or false? If xb and xa are denominators of two fractions and b > a, then xb is the LCD.
A. True B. False
Mathematics
Solve the problem.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use the Trapezoidal Rule to approximate the distance traveled by the car in the 8 seconds. Round your answer to the nearest tenth if necessary.
A. 162 ft B. 221.5 ft C. 145.5 ft D. 291 ft
Mathematics
Use the substitution formula to evaluate the integral.
dx
A. 
- 
B. 5
- 8
C. 
- 
D. 
Mathematics