joshwalker5077 joshwalker5077

28-01-2018
Mathematics

contestada

Find, correct to five decimal places, the length of the side labeled x. a = 25 cm, b = 3π 8 rad

Respuesta :

11-02-2018

I am assuming from What I have found is that a is the base , b is angle between a and x and x is the hypotenuse .
So we know that
cos Î¸ =base/hypotenuse
here Î¸ = 3Ď€/8 =67.5 degree
cos 67.5 =0.38268
so
0.38268=a/x
x=25/0.38268
x=65.32873

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