Question: I need help on this question Write the trigonometric expression as an algebraic expression in u. cos ( tan - 1 u) O A. uvu2
I need help on this question

Write the trigonometric expression as an algebraic expression in u. cos ( tan - 1 u) O A. uvu2 + 1 uvu2 + 1 O B. U2 + 1 O c. 12 + 1 u 2 - 1 OD. u2- 1
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