VECTORS Basic Operations (Page 4 of 4)

Now we enter the inverse cosine of the quotient of the dot product over the product of the magnitudes. Click here to review finding the magnitude of a vector in component form.

 CLEAR key.

 Inverse cosine key. 2nd LIST key. Left arrow key. 5: menu selection. 2nd Left brace key. 2 Comma key. Negation key. 5 2nd Right brace key. Multiply key.
 2nd Left brace key. 3 Comma key. 1 2nd Right brace key. Right parenthesis key. Divide key. Left parenthesis key. ANGLE key. 5: menu selection. 2 Comma key.
 Negation key. 5 Right parenthesis key. Multiply key. ANGLE key. 5: menu selection. 3 Comma key. 1 Right parenthesis key. Right parenthesis key. Right parenthesis key.
 ENTER key.

 Calculator screen image.

The angle between the two vectors is approximately 86.6°.
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