Express the product as a sum containing only sines or cosines.sin (6?) cos (3?)
A. 
[sin (9?) + cos (3?)]
B. 
[sin (9?) + sin (3?)]
C. 
[cos (9?) - cos (3?)]
D. sin cos (18?2)
Answer: B
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Evaluate the expressing using a unit circle or state that the quantity is undefined. All angles are in radians.tan 
A. 
B. 1
C. 
D. 
Solve the problem.Under standard conditions, molecules of a gas collide billions of times per second. If each molecule has diameter t, the average distance between collisions is given by 
where n, the volume density of the gas, is a constant. Find 
.
A. 
= - 
B. 
= - 
C. 
= 
D. 
= - 
Two sides and an angle (SSA) of a triangle are given. Determine whether the given measurements produce one triangle, two triangles, or no triangle at all. Solve each triangle that results. Round lengths to the nearest tenth and angle measures to the nearest degree.C = 35°, a = 18.7, c = 16.1
A. A1 = 103°, B1 = 42°, b1 = 27.4; A2 = 7°, B2 = 138°, b2 = 3.4 B. A1 = 42°, B1 = 103°, b1 = 27.4; A2 = 138°, B2 = 7°, b2 = 3.4 C. no triangle D. A = 42°, B = 103°, b = 27.4
Provide an appropriate response.Determine whether the statement is true or false. If it is false, give the correct answer. Explain.
? 
= x
What will be an ideal response?