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ughh.abby
Nombre de usuario
ughh.abby
Puntuación
84
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Preguntas
16
Respuestas
1
17 Questions
1 Answers
+2
519
2
+84
precal
In the study of alternating electric current, instantaneous voltage is modeled by the equation e=Emax sin2πft, where f is the number of cycles per second,Emax is the maximum voltage, and t is the time in seconds. Find the smallest
lee mas ..
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ughh.abby
12 may 2021
+1
440
2
+84
precal
Use a calculator to find the value in decimal degrees.
arcsin(−0.1877)
arcsin(−0.1877)≈___°
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ughh.abby
12 may 2021
+1
334
0
+84
PRECAL
Use the identities to find the exact value.
tan ( −π/ 12) = __
lee mas ..
ughh.abby
12 may 2021
+1
442
1
+84
precal
The function graphed to the right is of the form y=atanbx
or y=acotbx for some a≠0, b>0.
Determine the equation of the function. (Half- and quarter-points are identified by dots.
lee mas ..
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ughh.abby
12 may 2021
0
454
2
+84
PRECAL
At what time on January 20 was low tide at the harbor? What was the height?
Choose the correct answer below.
A. approximately 8:00 P.M.
B. approximately 6:00 A.M.
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ughh.abby
11 may 2021
+1
432
1
+84
PRECAl
Help with this problem...
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ughh.abby
11 may 2021
+1
478
2
+84
PRECAL
Write an expression that completes a fundamental identity for the following function.
sin(−z) = ?
Choose the correct answer below.
lee mas ..
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ughh.abby
11 may 2021
+1
649
2
+84
PRECAL
Tell whether the statement is true or false. If false, tell why.
The tangent and secant functions are undefined for the same values.
Choose the correct answer below.
lee mas ..
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ughh.abby
11 may 2021
+1
884
1
+84
To measure a stone face carved on the side of a mountain, two sightings
To measure a stone face carved on the side of a mountain, two sightings
750 feet from the base of the mountain are taken. If the angle of elevation to the bottom of the face is 31° and the angle of elevation to the top is
34°, what
lee mas ..
ElectricPavlov
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ughh.abby
11 may 2021
+1
452
1
+84
precal
If n is an integer,n•180° represents an integer multiple of 180° and
(2n+1)•90° represents an odd integer multiple of
90°,and so on. Determine whether the expression is equal to 0,
1,−1, or is undefined.
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ughh.abby
11 may 2021
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#2
+84
0
did you take the sin inverse on the third step?
ughh.abby
12 may 2021