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If \( | \overrightarrow a | = 10, | \overrightarrow b | = 15 \) and the angle between the vector \( \overrightarrow a \: and \: \overrightarrow b \: is \:45^{\circ}, \) then find \( \overrightarrow a.\overrightarrow b\).
cbse
class12
modelpaper
2012
sec-a
q7
math
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asked
Jan 27, 2013
by
thanvigandhi_1
edited
Jul 24, 2013
by
sreemathi.v
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