nabeele358 nabeele358

01-05-2020
Mathematics

contestada

Sin(x+20) - cos (2X+10)

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rohniyalewis9104 rohniyalewis9104

01-05-2020

Answer:

X=20

Step-by-step explanation:

Sin(x+20)=cos(2x+10)

Sin(x+20)=sin(90-(2x+10)

X+20=90-2x-10

3x=60

X=20

Answer Link

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