Find the exact value of the trigonometric expression without the use of a calculator.sec
A. - 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Provide an appropriate response.Use the sine function to find the indicated part of triangle ABC. Round to four significant digits. Find c if b = 15.4 m and B = 31°.
A. 7.932 m B. 29.90 m C. 38.12 m D. 0.03344 m
Mathematics
Simplify the expression.(4-2)-1
A. 
B. 
C. 16
D. 4
Mathematics
Solve the equation.4x = 256
A. 64 B. 4 C. 5 D. 3
Mathematics
Divide.(2x3 + 19x2 + 45x) ÷ (x2 + 5x)
A. 2x B. 2x + 9 C. 2x2 + 9x D. x + 9
Mathematics