Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find sin 
.
A. 
B. 
C. - 
D. 
Answer: B
Mathematics
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Provide a STATEMENT/REASON proof for the congruence.
Given: ?AST = ? RTS, AS = RTProve: ?SAT ? ?TRS
What will be an ideal response?
Mathematics
Add.166.6 + 0.81 + 94.48 + 36.9
A. 298.79 B. 298.8 C. 298.89 D. 299.79
Mathematics
Decide whether the given functions are inverses.f = {(-9, 15), (6, 0), (0, 22), (15, -9)}g = {(15, -9), (0, 6), (22, 0), (-9, 15)}
A. No B. Yes
Mathematics
Solve the problem.To find the distance AB across a river, a distance BC of 1369 m is laid off on one side of the river. It is found that B = 106.2° and 
Find AB. Round to the nearest meter.
A. 485 meters B. 482 meters C. 400 meters D. 403 meters
Mathematics