3 years ago

Determine a scalar c so that the angle between a = i + cj and b = i + j is 45°.

1 answer:

6 0

Answer:

c=0

Step-by-step explanation:

ATQ a.b=|a||b|sin(45)

1+c=sqrt(1+c^2)*sqrt(2)*1/sqrt(2)

1+c=sqrt(1+c^2)

(1+c)^2=(1+c^2)

2c=0, c=0

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Determine a scalar c so that the angle between a = i + cj and b = i + j is 45°.​