Use a calculator to verify the value found by using the double-angle formulas.Find tan 158° directly and by using functions of 79°.
A. 1.3143
B. 10.2892
C. -0.404
D. 5.1446
Answer: C
Mathematics
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A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = x2 + 10
D. f-1(x) = 
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Use reference angles to find the exact value of the expression. Do not use a calculator.sin 
A. 1 B. -1 C. 0 D. undefined
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Determine whether the graph shown is the graph of a polynomial function.
A. polynomial function B. not a polynomial function
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Graph the inequality.y > 
x + 3
A. 
B. 
C. 
D. 
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