Find the exact acute angle ? for the given function value.sec ? = 2
A. 30°
B. 45°
C. 60°
Answer: C
Mathematics
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Evaluate the expression.
A. 60 B. 1 C. 30 D. 120
Mathematics
Use the given zero to find the remaining zeros of the function.f(x) = x4 - 21x2 - 100; zero: -2i
A. 2i, 10i, -10i B. 2i, 10, -10 C. 2i, 5, -5 D. 2i, 5i, -5i
Mathematics
Show that the equation is not an identity by finding a value of x for which both sides are defined but not equal.sin 2x + sin 4x = sin 5x
A. 0
B. 2?
C. ?
D. 
Mathematics
Assume triangle ABC has standard labeling. Determine if AAS, ASA, SSA, SAS, or SSS is given and decide if the law of sines or the law of cosines should be used to solve the triangle.C, b, and c
A. AAS; law of sines B. SSA; law of cosines C. ASA; law of sines D. SSA; law of sines
Mathematics