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Ethiopia Homework Resources

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Ethiopia
7. For a positive acute angle θ, which of the following is not true?  A. sin⁡θ=csc⁡(π2−θ) C. tan⁡θ=1tan⁡(π2θ) B. sec⁡θ=1sin⁡(π2) D. csc⁡θ=sec⁡(π2−θ)
Trigonometry Mar 30, 2025
Find a vector paraller to v→=(1,2,−2) and norm is 4
Geometry Mar 30, 2025
Finct a vector paraller to v→=(1,2,−λ) and norm is 4
Pre Algebra Mar 30, 2025
L1=a1x+b1y=c1 and L2=a2x+b2y=c
Algebra Mar 30, 2025
3) Find the image of the circle x2+y2−6x+4y=12 under the line of reflection l:y=x+3
Geometry Mar 30, 2025
1) Find the image of the line l:y=2x+1 after along the line L:y=2×t+6 a) A translation σ carries the point (1,1) to the point (2,3), then find the image of the circle whose equation x2+y2=2
Geometry Mar 30, 2025
Exurcise 4,16 Dacrmine if the following set of points are collinear. (1,1),(3,2) and (4,3)
Geometry Mar 29, 2025
4. Solve the following inequalities.  a. 23[x−(1−x−23)+1]≤x b. 2−[−2(x+1)]−x−32≤23x−5x−312+3 c. 3x+17−2−4x3≥−5x−414+76x
Algebra Mar 29, 2025
Solve the following inequalities:  a. |2x−1|−7≤−5 b. |x−1|≥−3 c. |x−1|≤−3 d. |2x−93|<4
Algebra Mar 29, 2025
 Review Exercise  If x>y, what can you say about the inequality sign if we multiply both side of inequality by a negative number? By a positive number? By zero?
Algebra Mar 29, 2025
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