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Devise a test to demonstrate the validity of the following common trigonometric formulas. What values of A and B should be used to est these functions thoroughly? a sin(A + B)=sin(A) cos(B)+cos(A)sin(B) b. sin(24)=2sin(A)cos(A) c. sin³ (4)-1/-1/cos(24)

Devise a test to demonstrate the validity of the following common trigonometric formulas. What values of A and B should be used to est these functions thoroughly? a sin(A + B)=sin(A) cos(B)+cos(A)sin(B) b. sin(24)=2sin(A)cos(A) c. sin³ (4)-1/-1/cos(24)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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4.1 Trigonometric Functions Devise a test to demonstrate the validity of the following common trigonometric formulas. What values of A and B should be used to test these functions thoroughly? a. sin(A + B) sin(A)cos(B)+cos(A)sin(B) b. sin(24) 2sin(A)cos(4) 1/2-1/cos(24) c. sin(4) Note: In Excel, sin (A) should be entered as (sin(A)) This causes sin(A) to be evaluated first and that result to be squared.
Transcribed Image Text:4.1 Trigonometric Functions Devise a test to demonstrate the validity of the following common trigonometric formulas. What values of A and B should be used to test these functions thoroughly? a. sin(A + B) sin(A)cos(B)+cos(A)sin(B) b. sin(24) 2sin(A)cos(4) 1/2-1/cos(24) c. sin(4) Note: In Excel, sin (A) should be entered as (sin(A)) This causes sin(A) to be evaluated first and that result to be squared.
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