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Review the proof. Step 1 / cos(2x) =1-2sin2x Which step contains an error?step 2/ step 4/ step 6/ step 8

Review the proof. Step 1 / cos(2x) =1-2sin2x Which step contains an error?step 2/ step 4/ step 6/ step 8
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Review the proof. Step 1 / cos(2x) =1-2sin2x

Which step contains an error?step 2/ step 4/ step 6/ step 8

asked
User Nev Stokes
by
9.1k points

1 Answer

3 votes

Answer:

Step 6 is wrong

answered
User Balaji Viswanath
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