Verify the identity.
= tan(3?)
What will be an ideal response?
= 
= 
= 
= tan (3?).
Mathematics
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Calculate the circulation of the field F around the closed curve C.F = - 
x2yi - 
xy2j; curve C is r(t) = 5 cos ti + 5 sin tj, 0 ? t ? 2?
A. 0
B. - 
C. - 
D. - 
Mathematics
Simplify the following. Leave answer as a power.811 ? 815
A. 826 B. 8165 C. 1626 D. 6426
Mathematics
Solve the system of equations.3x+ y- 4z =-14-x+ 3y+ 2z=105x - 5y- 8z=-34
A. (0, -2, 3) B. (-3, 1, 2) C. No solution; inconsistent system of equations D. Infinite number of solutions; dependent equations
Mathematics
Solve the problem.A salesman sold $300 more than the rest of the sales staff. If the sales total for the day was $2450, how much did the rest of the sales staff sell?
A. $1225 B. $1375 C. $1075 D. $2150
Mathematics