Solving trigonometric equations graphically CKI

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Mathematics
•
11th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The solutions to the equation can be found by plotting the graphs of y = sin(x) and y = cos(3x) on the same set of axes and identifying their intersection points.
2.
FLASHCARD QUESTION
Front
Back
To solve graphically, plot y = sin(x) and y = -cos(3x) on the same graph and find the x-values where the two curves intersect.
3.
FLASHCARD QUESTION
Front
Back
This equation represents the points where the sine function is three times the cosine function. Graphically, plot y = sin(x) and y = 3cos(x) and find their intersection points.
4.
FLASHCARD QUESTION
Front
Back
This equation indicates the angles where the sine function takes the value of -1/2, which occurs in the third and fourth quadrants.
5.
FLASHCARD QUESTION
Front
Back
6.
FLASHCARD QUESTION
Front
Back
This equation can be solved by plotting y = -2cos(x) and y = 3sin(x) and finding their intersection points.
7.
FLASHCARD QUESTION
Front
Back
This equation indicates the angles where the cosine function equals -1/2, which occurs in the second and third quadrants.
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