Find the Direction Angles of the Vector $$\mathbf { v } = \mathbf { i } - \mathbf { j } + 2 \mathbf { k }$$

question 164

Multiple Choice

Find the direction angles of the vector. Round to the nearest degree, if necessary.
- $$\mathbf { v } = \mathbf { i } - \mathbf { j } + 2 \mathbf { k }$$

• A) \(\alpha = 66 ^ { \circ } , \beta = 114 ^ { \circ } , \gamma = 35 ^ { \circ }\)
• B) \(\alpha = 80 ^ { \circ } , \beta = 100 ^ { \circ } , \gamma = 71 ^ { \circ }\)
• C) \(\alpha = 63 ^ { \circ } , \beta = 117 ^ { \circ } , \gamma = 26 ^ { \circ }\)
• D) \(\alpha = 69 ^ { \circ } , \beta = 111 ^ { \circ } , \gamma = 45 ^ { \circ }\)

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