Platforms
P(−1, 0) corresponds to (, ) on the sine graph.
180
0
P(0, −1) corresponds to (, ) on the sine graph.
270
-1
P(1, 0) corresponds to (, ) on the cosine graph.
1
P(0, 1) corresponds to (, ) on the cosine graph.
90
P(−1, 0) corresponds to (, ) on the cosine graph.
P(0, −1) corresponds to (, ) on the cosine graph.
When a = 4, the minimum is and the maximum is
-4
.
4.
When a = -4, the minimum is and the maximum is
Based on these results, changing the sign of a the maximum and minimum values of the graph of y = asin(x).
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Instruction
Reciprocal Trigonometric Functions