Find the exact value of the expression if ? = 45°. Do not use a calculator.g(?) = cos ?Find [g(?)]2.
A. 
B. 2
C. 
D. - 
Answer: A
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Translate the symbolic compound statement into words.Let p represent the statement "Jello is tasty" and let q represent the statement "Thursday is rectangular."~p ? ~q
A. Jello is not tasty or Thursday is not rectangular. B. Jello is not tasty and Thursday is rectangular. C. It is not true that jello is tasty and Thursday is rectangular. D. Jello is not tasty and Thursday is not rectangular.
A game consists of removing a card from a deck of 52 cards. If the card is a face card, you win $3 and the game is over. If it is not a face card, remove another card. If that one is a face card, you win $3. Repeat the process again, and then again (for a total of 4 times). If you have not removed any face card, then you lose the game, and must pay $3. Should you play this game? ?
A. no B. yes
Find the velocity vector in terms of ur and u?.r = 2 cos 4t and ? = 2t
A. v = (-4 sin 4t)ur + 4cos 4tu? B. v = (-4 sin 2t)ur + 8cos 2tu? C. v = (-8 sin 4t)ur + 4cos 4tu? D. v = (8 sin 4t)ur + 4cos 4tu?
Multiply.7(-9)
A. -63 B. -70 C. 70 D. 63