Fill in the blank. If necessary, use the slash mark (/) for a fraction bar.If sine = , then cose =

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$Fill in the blank. If necessary, use the slash mark (/) for a fraction bar.If sine-example-1$

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8 votes

cos theta is 4/5

remember the trig identtity

sin^2 theta + cos^2 theta = 1

from the given

sin theta = 3/5

so sin^2 theta is 9/25

cos^2 theta = 1-sin^2 theta = 1 - 9/25 = 16/25

cos theta = 4/5

Pjd answered Oct 10, 2023

by Pjd

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