Verify the identity.
= - tan(4?) tan(2?)
What will be an ideal response?
= 
= - 
? 
= - tan (4?) tan (2?)
Mathematics
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Evaluate if possible.
- 
A. -1 B. 9 C. 3 D. 1
Mathematics
Use the graph of the polynomial function f(x) to solve f(x) = 0.
A. -3, -1, 1, 3 B. 1, 3 C. -4, -1, 1, 4 D. -3, -1
Mathematics
Use the general solution y of the differential equation to find a particular solution that satisfies the indicated initial condition. Graph the particular solutions for x ? 0.y = 
; y' = - 0.05y(20 - y)(A) y(0) = 1(B) y(0) = 20(C) y(0) = 40
What will be an ideal response?
Mathematics
Simplify. Write your answer in the form a + bi, where a and b are real numbers.(6 - 6i) + (1 - 3i)
A. 7 + 9i B. -7 - 9i C. 7 - 9i D. 7 - 3i
Mathematics