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Given cos (25°) - sin?(25°) = cos(A°) and cos (2x) – sin²(2x) = cos(B), determine the values of A and B. A. A = 0; B = 0 B. A = 50; B = 4x %3D C. A = 625; B = 4x² D. A = 1045; B = (4x)*

Given cos (25°) - sin?(25°) = cos(A°) and cos (2x) – sin²(2x) = cos(B), determine the values of A and B. A. A = 0; B = 0 B. A = 50; B = 4x %3D C. A = 625; B = 4x² D. A = 1045; B = (4x)*

Elementary Geometry for College Students
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter11: Introduction To Trigonometry
Section11.CT: Test
Problem 6CT: Without the calculator, determine which number is larger: a tan 250 or tan 260_________ b cos 470 or...
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Given cos2(25°)-sin2(25°)=cos(A°) and cos2 (2x)-sin2(2x)=cos(B), determine the values of A and B.

Given cos (25°) – sin? (25°) = cos(A°) and cos?(2x) – sin?(2x) = cos(B), determine the values of A and B. C. A = 625; B = 4x? D. A = 1045; B = (4x)* A. A = 0; B = 0 B. A = 50; B = 4x %3D %3D
Transcribed Image Text:Given cos (25°) – sin? (25°) = cos(A°) and cos?(2x) – sin?(2x) = cos(B), determine the values of A and B. C. A = 625; B = 4x? D. A = 1045; B = (4x)* A. A = 0; B = 0 B. A = 50; B = 4x %3D %3D
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