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OpenStudy (darkbluechocobo):
Help with finding angles between vectors
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OpenStudy (darkbluechocobo):
v= (-3,-2) w=(1,5)
OpenStudy (darkbluechocobo):
||v||=sqrt13
OpenStudy (darkbluechocobo):
||w||=sqrt26
OpenStudy (darkbluechocobo):
(-3*1)+(-2*5)=-13 cos^1= (-13/sqrt26*sqrt13)
OpenStudy (darkbluechocobo):
135 degrees is the answer?
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OpenStudy (darkbluechocobo):
@amistre64
OpenStudy (amistre64):
v= (-3,-2) sqrt(9+4) w=(1, 5) sqrt(1+25) ---------- -3-10 = -13 cos^(-1)(-13/sqrt(13*26)) 135deg is good
OpenStudy (darkbluechocobo):
Thank you for checking :D
OpenStudy (amistre64):
youre welcome
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