Find the value of the trigonometric function.sin 22.4°
A. 0.381
B. 0.412
C. -0.398
D. 0.925
Answer: A
Mathematics
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A. No B. Yes
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Simplify the expression.sin x cos x sec x csc x
A. sec2 x B. csc2 x C. tan2 x D. 1
Mathematics
Provide an appropriate response.If X is normally distributed with mean ? and standard deviation ?, then what is the approximate probability that ? - 2? ? X ? ? + 2??
A. 0.997 B. 0.68 C. 0.5 D. 0.999 E. 0.95
Mathematics
Solve the problem.John purchased x shares of stock at $53 per share. He sold all of the stock for $22 per share and lost $775. How many shares of stock did John have.
A. 25 B. 18 C. 35 D. 50
Mathematics