Calculate the Angle Between a and B (Correct to the Nearest

question 1

Multiple Choice

Calculate the angle between a and b (correct to the nearest degree) . $\mathbf { a } = 9 \mathbf { i } - 8 \mathbf { j } , \mathbf { b } = - 7 \mathbf { j } + \mathbf { k }$

• A) \(98 ^ { \circ }\)
• B) \(49 ^ { \circ }\)
• C) \(39 ^ { \circ }\)
• D) \(59 ^ { \circ }\)
• E) None of these

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