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serg [7]
3 years ago
9

Verify identity cot^2x + csc^2x = 2csc^2x - 1

Mathematics
1 answer:
alexdok [17]3 years ago
7 0
Lhs= (c/s)^2 + 1/s^2 = (c^2 + 1)/s^2 = (2 - s^2)/s^2

rhs = (2/s^2) - 1 = (2 - s^2)/s^2 = lhs
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please help me it is URGENT pls the first one is solve and the 2nd one is simplify I will give u lots of points thank you
klasskru [66]
I.) (5x+3)/4-(2x-4)/3=5
Clear fractions:
3·((5x+3)/4)=15x+9
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4 years ago
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Step-by-step explanation:

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3 years ago
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40 -  13 = 27. If we check our math 13 +27 does equal 40 making the equation correct.

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