Distance Calculus @ Roger Williams University is in full operation during COVID-19 Emergency

The Primitives of Precalculus
by Robert Curtis

Graphs of Trigonometric Functions - Frequency

  • P9: Trigonometric Functions:
    • P9.3: Graphs of Trigonometric Functions:
      • P9.3.e: Frequency:
        • P9.3.e.1: LiveMath Notebook
        • P9.3.e.2: LiveMath Help Movie
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Distance Calculus Courses Frequently Asked Questions
Math 213: Calculus I (4 credits)
Math 214: Calculus II (4 credits)
Math 351: Multivariable Calculus (4 credits)
(same as Calculus III, Calculus IV, Vector Calculus)
Math 317: Differential Equations (3 credits)
Math 331: Linear Algebra (3 credits)
Math 315: Probability Theory (3 credits)
Calculus-Based Statistics
Math 207: Applied Calculus (3 credits)
Survey of Calculus • Liberal Arts Calculus
< Engineering Calculus I
Math 136: Precalculus (4 credits)
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Distance Calculus - Student Reviews

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Date Posted: Feb 19, 2020
Review by: Rebecca Johnson
Courses Completed: Applied Calculus
Review: I took the Business Calculus course from Distance Calculus in 2013. I was admitted to my MBA program, but then they told me I needed to take Calculus before starting the program. I finished the Business Calculus course in about 3 weeks in August before my program started. Not the most fun thing to do over the summer, but at least I got it done. Thanks Diane and Distance Calculus team!
Transferred Credits to: Kellogg MBA Program



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Date Posted: Jun 21, 2020
Review by: Abdul J.
Courses Completed: Applied Calculus
Review: This was the best class! So much more interesting doing the computer math than a boring lecture class. Diane was so responsive and helpful. I recommend this course.
Transferred Credits to: Villanova University



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Date Posted: Jan 12, 2020
Review by: Brian Finley
Courses Completed: Calculus II
Review: I took Calculus II through Distance Calculus and can't recommend it enough. Being able to take the course at my own pace while I was working full time was tremendously helpful, especially since I hadn't taken a math course for 5 years prior. The instruction was excellent and the software they used to teach the course was intuitive and facilitated the learning process very well. This calc II class enabled me to take multivariable calc, linear algebra, and real analysis at Harvard University's extension school, which ultimately qualified me for the economics PhD program that I will graduate from next year. 8 years on, I'm still grateful to Professor Curtis and Distance Calculus.