# pre calculus

A force of 350 lb. is resolved into forces at right angles to one another, the angle of F2 being 67 from the 350 lb. force. Find F2.

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1. Construct a rectangle with sides F1 and F2, so that the given force of 350 is the hypotenuse.
and label the angle it makes with F2 as 67°
On mine F2 is the shorter side.

Cos 67° = F2/350
F2 = 350cos67 = ....

btw, F1 = 350sin67 = ...

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2. 322

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