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

Hector Vido asked Nov 1, 2023

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12 votes

Review the proof. Step 1 / cos(2x) =1-2sin2x

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

Hector Vido asked Nov 1, 2023

3.1k points

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9 votes

Answer:

Step 6 is wrong

Burzumko answered Nov 7, 2023

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