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find x if sin(3x-10) = cos(2x-25)

Sagot :

Pratham102008zidn

Answer:

ans.x=25

Step-by-step explanation:

sin(3x-10)=sin(90-(2x-25))

sin(3x-10)=sin(90-2x+25)

sin(3x-10)=sin(115-2x)

3x-10=115-2x

5x=125

x=125/5

x=25

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