Author Archive | Mike MᶜGarry

  • Mike MᶜGarry

    Mike served as a GMAT Expert at Magoosh, helping create hundreds of lesson videos and practice questions to help guide GMAT students to success. He was also featured as "member of the month" for over two years at GMAT Club. Mike holds an A.B. in Physics (graduating magna cum laude) and an M.T.S. in Religions of the World, both from Harvard. Beyond standardized testing, Mike has over 20 years of both private and public high school teaching experience specializing in math and physics. In his free time, Mike likes smashing foosballs into orbit, and despite having no obvious cranial deficiency, he insists on rooting for the NY Mets. Learn more about the GMAT through Mike's Youtube video explanations and resources like What is a Good GMAT Score? and the GMAT Diagnostic Test.

Trigonometry: Advanced Trigonometry Formulas

Today we will learn about advanced trigonometry formulas. Check out this video and the transcript below. And remember to take a look at all of our free math videos! Transcript: Advanced Trigonometry Formulas Now we can talk about some advanced trigonometry formulas. In this video, I will discuss a few advanced formulas from trigonometry. As […]

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Trigonometry: Inverse Trig Functions

As a follow up to our last video, we now turn to learning about inverse trig functions. Watch the video, and if you need extra review, read the transcript of the video posted below. Transcript: Inverse Trig Functions Inverse trig functions. All the trig functions have an input that is an angle and they give […]

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Trigonometry: SOHCAHTOA and Special Triangles

In our last trigonometry video, we discussed SOHCAHTOA. Now we move on to a discussion of SOHCAHTOA and special triangles. Transcript: SOHCAHTOA and Special Triangles Now that we’ve introduced SOHCAHTOA, we can talk about the very important topic of SOHCAHTOA and special triangles. So this lesson will assume, first of all, that you’re familiar with […]

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Coordinate Geometry: Rotations on the Coordinate Plane

This is our last video in the coordinate geometry series. Here, we will explore rotations on the coordinate plane. Transcript: Rotations on the Coordinate Plane In the previous video, I talked about reflections in the x-y (coordinate) plane. Sometimes the test also asks about rotations on the coordinate plane. In these cases, the center of […]

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