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Boris Mesits

University of North Carolina at Chapel Hill

Biography

Boris has not yet added a biography.

Education

BS Physics and Mathematics
University of North Carolina at Chapel Hill

Topics Covered

Introduction to Sequences and Series
Trigonometry
Introduction to Trigonometry
Functions
Linear Functions
Polynomials
Rational Functions

Boris's Textbook Answer Videos

00:03
Algebra and Trigonometry

nth Term of a Sequence Find a formula for the $n$ th term of the sequence
$$
\sqrt{2}, \quad \sqrt{2 \sqrt{2}}, \quad \sqrt{2 \sqrt{2 \sqrt{2}}}, \quad \sqrt{2 \sqrt{2 \sqrt{2 \sqrt{2}}}}, \ldots
$$
[Hint: Write each term as a power of $2 . ]$

Chapter 13: Sequences and Series
Section 1: Sequences and Summation Notation
Boris Mesits
01:38
Precalculus

Is there only one way to evaluate $\cos \left(\frac{5 \pi}{4}\right)$ ? Explain how to set up the solution in two different ways, and then compute to make sure they give the same answer.

Chapter 7: Trigonometric Identities and Equations
Section 2: Sum and Difference Identities
Boris Mesits
00:58
Precalculus

For the following exercises, find the exact value.
$$
\cos \left(\frac{7 \pi}{12}\right)
$$

Chapter 7: Trigonometric Identities and Equations
Section 2: Sum and Difference Identities
Boris Mesits
01:02
Precalculus

For the following exercises, find the exact value.
$$
\sin \left(\frac{5 \pi}{12}\right)
$$

Chapter 7: Trigonometric Identities and Equations
Section 2: Sum and Difference Identities
Boris Mesits
02:09
Precalculus

For the following exercises, find the exact value.
$$
\tan \left(-\frac{\pi}{12}\right)
$$

Chapter 7: Trigonometric Identities and Equations
Section 2: Sum and Difference Identities
Boris Mesits
00:50
Precalculus

For the following exercises, rewrite in terms of $\sin x$ and $\cos x .$
$$
\sin \left(x+\frac{11 \pi}{6}\right)
$$

Chapter 7: Trigonometric Identities and Equations
Section 2: Sum and Difference Identities
Boris Mesits
1 2 3 4 5 ... 8

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