Revision history of "2005 iTest Problems/Problem 19"

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  • (cur | prev) 10:03, 14 October 2025Mathloveryeah (talk | contribs). . (1,156 bytes) (+1,156). . (Created page with "==Problem== Find the amplitude of <math>y = 4 \sin (x) + 3 \cos (x)</math>. ==Solution 1== By the Cauchy-Schwarz Inequality, <math>(a \cos \theta + b \sin \theta)^2 \le (a^2...")