For the following equation, graph y = f1(x) and y = f2(x) on the same screen on your calculator. From the graphs, make a conjecture as to whether the equation is an identity. If so, prove your conjecture.sin 
cos 
= 
What will be an ideal response?
The statement is an identity. The student's answer should include a proof.
Mathematics
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Use identities to find the exact value of the trigonometric function.Find sin ?, given that cos ? = 
and 
< ? < 2?.
A. - 
B. -
C. - 
D. - 
Mathematics
Assume that the sequence converges and find its limit.a1 = 3, an + 1 = 
A. 4 B. 8 C. 3 D. 2
Mathematics
Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. increasing: [2, ?); decreasing: (-?, 2] B. increasing: (-?, 1] ? [2, ?); decreasing: [1, 2] C. increasing: [0, 3]; decreasing: (-?, 0] ? [3, ?) D. increasing: [0, ?); decreasing: (-?, 0]
Mathematics
Write the expression in exponential notation.2 ? 2 ? 2 ? 2
A. 22 B. 42 C. 24 D. 8
Mathematics