If vector P+vector Q=vector R ;and if P^2+Q^2=R^2 then find the angle between the vectorP and vectorQ?
1 Answer
Jun 15, 2018
(This should be clear from the start - Pythagoreas' Theorem)
Explanation:
#(bbP + bbQ)*(bbP + bbQ)#
And because
# (bbP + bbQ) * (bbP + bbQ) = bbR * bbR = R^2 qquad triangle #