Author Archives: Sybil Shaver

(after Test 3) Topics:  • The inverse trig functions $\sin^{-1}(x)$, $\cos^{-1}(x)$, and $\tan^{-1}(x)$: definitions and notation • Solving right triangles using the inverse trig functions Definitions and how to read the notation: Note: the superscript -1 in these functions’ names represents the … Continue reading →

MathTutoringFall2018

Test 3 is scheduled for the first hour of class on Monday 26 November. Here are the review self-tests: MAT1275Test3ReviewSpring2017 And here are the answers: MAT1275Test3ReviewAnswersSpring2017 There will also be a problem on trig, using the coordinate plane. Practice on … Continue reading →

Test 3 is scheduled for the first hour of class on Monday 26 November. Here are the review self-tests: MAT1275Test3ReviewSpring2017 And here are the answers: MAT1275Test3ReviewAnswersSpring2017 There will also be a problem on trig, using the coordinate plane. Practice on … Continue reading →

MAT1275Coburnp29HW. For tomorrow, you could do on the board any of the following: #25-31 odd, 45, 47, 55-63 odd, 64

Topics: • Angles in the coordinate plane in standard position • The coordinate plane definitions of the trig functions • Coterminal angles • Radian measure for angles (very important!) Important note: There will be one more definition of the trig … Continue reading →

Topics: • Solving a 3 by 3 system of linear equations – for short, this is called a 3 by 3 linear system • Solving nonlinear systems of equations It is useful to look at the graphs of these systems, … Continue reading →

You may put one of these problems on the board at the start of class. p.760: 5,9,11,13,23-31 odd,39,41,45,61,63,65,69,75 NOTE: I am not entirely sure about the page number. These are problems that come at the end of Section 9.1 in … Continue reading →

Test 2 is scheduled for the first 50 minutes or so of class on Wednesday 31 October. Monday 5 November. Please see my course information for policies related to tests.   There is a Test 2 Review assignment on WeBWorK. … Continue reading →

Topics: • Perfect square trinomials • The Square Root Property • Completing the square to solve a quadratic equation [link to YouTube]   It is very important to practice using the perfect square patterns so that you can recognize them … Continue reading →