Verify the identity.
= cos x + cot x
What will be an ideal response?
= cos x
= 
= 
+ 
= cos x + cot x.
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Solve the problem.An object has a total volume of 3 liters (which is 3000 cubic centimeters) and a mass of 2 kilograms. What is its density? Will it sink or float in water?
A. 0.67 g/cm3; sink B. 1.5 g/cm3; sink C. 1.5 g/cm3; float D. 0.67 g/cm3; float
Determine whether the system of equations is consistent or inconsistent. If the system is consistent, determine whether the equations are dependent or independent.
A. Independent B. Dependent C. Inconsistent
Solve.A pendulum bob swings through an arc 60 inches long on its first swing. Each swing thereafter, it swings only 90% as far as on the previous swing. How far will it swing altogether before coming to a complete stop?
A. 67 inches B. 600 inches C. 133 inches D. 300 inches
Factor completely. If the polynomial is prime, so state.72 + 10x2 - 61x
A. (2x - 9)(5x + 8) B. (2x - 9)(5x - 8) C. (2x + 9)(-5x + 8) D. prime