Solve the equation on the interval 0 ? ? < 2?.cos ? = sin ?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Find the measure of angle x in the triangle.
A. 125° B. 45° C. 85° D. 55°
Mathematics
State the solution set to the inequality by reading the graph.x4 - 10x2 + 9 ? 0y = x4 - 10x2 + 9
A. (-?, -3] ? [3, ?) B. [-3, -1] ? [1, 3] C. (-?, -3] ? [-1, 0) D. (-?, -3] ? [-1, 1] ? [3, ?)
Mathematics
Determine the domain and the range of the function.f(x) = x2 + 12x + 36
A. domain: {x|x ? 6} range: {y|y ? 0} B. domain: all real numbers range: {y|y ? 0} C. domain: {x|x ? -6} range: {y|y ? 0} D. domain: all real numbers range: {y|y ? 36}
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 1
Mathematics