another problem | Mathematics | Page 1

ocean rover Feb 12, 2024, 6:36 AM

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how? the cosx squared is confusing

sterile spruceBOT Feb 12, 2024, 6:36 AM

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hollow osprey Feb 12, 2024, 7:11 AM

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Let u=cosx,
8u²-10u+3=0
(-2u+1)(-4u+3)=0
(-2cosx+1)(-4cosx+3)=0

ocean rover Feb 12, 2024, 7:13 AM

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aah okay, thank you

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.solved

#another problem