Use a calculator to find the following. Round the answer to four places past the decimal point.

cot 36°

Fill in the blank(s) with the appropriate word(s).


1.3764

Mathematics

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Graph the equation.25y2 - x2 = 25

A.

B.

C.

D.

Mathematics

Evaluate the function.f(x) = -x + 6, f(4)

A. 4 B. 2 C. -2 D. 8

Mathematics

Find the extreme values of the function subject to the given constraint.  

A. Maximum: 8 at    minimum: -8 at  
B. Maximum: 8 at    minimum: -4 at  
C. Maximum: 4 at    minimum: -4 at  
D. Maximum: 4 at    minimum: -8 at  

Mathematics

Evaluate the expression x - y for the given values of the variables.x = -5, y = 20

A. 15 B. -25 C. -15 D. 25

Mathematics