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Physics 9 Online
OpenStudy (jpsmarinho):

When the exercise only give me the sin of a angle, the cos of the same angle I can find using the trigonometric identity. Have another form to find this?

OpenStudy (lgbasallote):

do you have a drawing of what you imagine to be the given?

OpenStudy (radar):

use trig identity sin^2theta + cos^2theta = 1

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