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11Alexandr11 [23.1K]
3 years ago
10

Pls help with equations

Mathematics
1 answer:
qaws [65]3 years ago
7 0

24.  (2x+2)+(2x+2)+(2x+2)=(x+8)+(x+8)+(x+8)+(x+8)

      6x+6=4x+32

          -6        -6

     6x=4x+26

    -4x   -4x

    2x/2=26/2

    x=13  

     

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Answer:   \bold{b)\quad \dfrac{2\pi}{3},\dfrac{4\pi}{3},0}

<u>Step-by-step explanation:</u>

Note the following identities: tan² x = sec²x - 1

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