chillywhistle chillywhistle

11-07-2019
Mathematics

contestada

T or F
The value(s) of x when sin(x) = -1 are x = -90° and 270°?

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Abinatamang Abinatamang

11-07-2019

Answer:

True

Step-by-step explanation:

Sin (x) = -1

Sinx= -sin (90) or sin (180+90)

Sinx= sin (-90) or sin 270

x=-90° or 270°

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