Reference no: EM131082234
Precalc Review Worksheet - Math 1A, section 106
1. What is 0 · 1? What is 0 + 1? What is 1 + 2? What is 12 · 12?
2. Simplify: 1 + 2 - 3 · 4/5 + 4/3 · 2 - 1
3. Simplify: -(3/√2)4
4. Simplify: 2 · log2(x + y) + log2(x - y). What is 2x · 2y?
5. Simplify: log2(3) · log3(2)?
6. Expand: (x + y)4.
7. Expand: (x + y + z)2.
8. Plot the graph of the equation 2y = x2 - 2x - 1.
9. What is 70o in radians? What is π/3 radians in degrees?
10. Compute sin(-π/4) + cos(-π/4) + tan(-π/4).
11. Compute sin2(70o) + cos2(70o).
12. What is sin(15o)? Hint: It may help to write this as sin(45o - 30o).
13. Find the coordinates of the points of intersection of the line x + y = 1 with the circle x2 + y2 = 2.
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