Showing posts with label cosine. Show all posts
Showing posts with label cosine. 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...
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...
Monday, February 8, 2021

An Alternative Way of Finding the Angle in a Rectangular to Polar Conversion

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An  Alternative Way of Finding the Angle in a Rectangular to Polar Conversion Welcome to a special Monday edition of Eddie’s Math and Calcul...
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)  ...
Sunday, August 26, 2018

HP 12C Platinum: Cosine of an Angle

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HP 12C Platinum:   Cosine of an Angle Introduction This is a fairly short program of an angle.   The angle is in radians.   This ...