Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.cos ? = 
Find cot ?.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem. Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 4 in. and 
= 5 lb
A. 
ft-lb
B. - 
ft-lb
C. 
ft-lb
D. 
ft-lb
Mathematics
Write as a number.Round 388 to tens.
A. 400 B. 390 C. 380 D. 490
Mathematics
Match the function with the correct table values.f(x) = 
A. 1.19245; 1.19925; 1,19993; 1.20007; 1.20075; 1.20745 B. 5.07736; 5.09775; 5.09978; 5.10022; 5.10225; 5.12236 C. 3.97484; 3.99750; 3.99975; 4.00025; 4.00250; 4.02485
Mathematics
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.Use the Principle of Mathematical Induction to show that the statement "5 is a factor of 7n - 2n" is true for all natural numbers. (Hint: 
What will be an ideal response?
Mathematics