Establish the identity.
= cot ? - cot ?
What will be an ideal response?
= 
= 
- 
= 
- 
= cot ? - cot ?
Mathematics
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Solve the initial value problem.?
+ y = cos ?; ? > 0, y(?) = 1
A. y = 
, ? > 0
B. y = 
, ? > 0
C. y = 
, ? > 0
D. y = 
, ? > 0
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14 B. -5 C. 0 D. 1
Mathematics
Write as a decimal.290%
A. 29 B. 2.9 C. 2.91 D. 0.29
Mathematics
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.A = 
(b + B)h; A = 114, b = 20, B = 18
A. 76 B. 19 C. 360 D. 6
Mathematics