Showing posts with label sine. Show all posts
Showing posts with label sine. Show all posts
Saturday, September 20, 2025

Trigonometric Calculus when Angles are in Degrees

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Trigonometric Calculus when Angles are in Degrees Today’s blog is a quickie. The preferred angle measure in calculus is the radian...
Sunday, February 18, 2024

Casio fx-CG 50 CORDIC Simulation: Approximating Sine and Cosine of Angles

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Casio fx-CG 50 CORDIC Simulation:  Approximating Sine and Cosine of Angles Introduction - How Computers Calculate Mathematical Functions Fir...
Sunday, April 10, 2022

Casio fx-CG 50 and fx-9750GIII: Regression Builder

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Casio fx-CG 50 and fx-9750GIII:  Regression Builder Introduction The program LRBUILD lets the user fit bi-variate data (x,y) to a customized...
Monday, March 28, 2022

March Calculus Madness Sweet Sixteen - Day 13: Some Double Integrals

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 ------------ Welcome to March Calculus Madness! ------------ Double Integration Time (I)  ∫ ∫ sin(a*x + b*y) dx dy = ∫ -1/a * cos(a*x + b*y...
Tuesday, March 22, 2022

March Calculus Madness Sweet Sixteen - Day 7: ∫ 1/(1 + cos x) dx and ∫ 1/(1 + sin x) dx

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 ------------ Welcome to March Calculus Madness! ------------ ∫ 1/(1 + cos x) dx and ∫ 1/(1 + sin x) dx To tackle these integrals, we will m...
Saturday, November 27, 2021

Casio fx-CG50: Integer Digit Operations

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Casio fx-CG50: Integer Digit Operations Sum of the Digits and Digital Sum with Memory The sum of the digits is pretty much a straight forwar...
Saturday, December 5, 2020

HP 71B: Sign "Graph" of Trig Functions

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 HP 71B: Sign "Graph" of Trig Functions Introduction The program SGNTRIG builds a 22 character binary string that depends on the f...
Saturday, October 10, 2020

Sines and Cosines: Adding and Subtracting Angles

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 Sines and Cosines:   Adding and Subtracting Angles Note:    π/2 radians = 90°,   π radians = 180° Sine sin(x + π/2) = sin(x) cos(π/2) + cos...
Thursday, November 15, 2018

TI-84+ and Casio (fx-CG 50) Micropython: Simplifying A sin x + B cos x To r sin (x + θ)

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TI-84+ and Casio (fx-CG 50) Micropython:  Simplifying  A sin x + B cos x To r sin (x + θ) Introduction Simplify the expression: (I)  ...
Saturday, May 19, 2018

Calculus/TI-84 Plus CE: Derivatives of kth Order

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Calculus/TI-84 Plus CE:   Derivatives of Kth Order Introduction Can we find a general formula for a derivative of nth order? ...