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OpenStudy (anonymous):
B=?
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OpenStudy (anonymous):
OpenStudy (anonymous):
cos 65= b/17 is that right?
OpenStudy (anonymous):
Sin 65/17
OpenStudy (anonymous):
then i have x 17?
OpenStudy (anonymous):
My mistake 17sin65 is the correct answer. Forgive me!
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OpenStudy (anonymous):
Just type that into your scientific calc
OpenStudy (anonymous):
i got 15.40
OpenStudy (anonymous):
To 2 dp it is 15.41 but normally 1 dp is sufficient so ... Ans= 15.4 (1 dp)
OpenStudy (anonymous):
yeah, dont mind me, i just had a look again at triangles.... triangles are awesome .... GO PYTHAGORAS
OpenStudy (anonymous):
okay http://openstudy.com/groups/mathematics/updates/4ddc347ba7af8b0b90907d7a http://openstudy.com/groups/mathematics/updates/4ddc34b8a7af8b0beb917d7a
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