joenidelarosa
joenidelarosa
29-09-2020
Mathematics
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Explain why sin (-pi) equals -1 not 1
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Alaiamarie
Alaiamarie
29-09-2020
The inverse sin of 1, ie sin-1 (1) is a very special value for the inverse sine function. Remember that sin-1(x) will give you the angle whose sine is x . Therefore, sin-1 (1) = the angle whose sine is 1.
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