Consider the derivation of sin(2x).
Where is the error?
Step 2 should read = cos(x)cos(...
Mathematics, 23.10.2020 20:10 katlyn10289
Consider the derivation of sin(2x).
Where is the error?
Step 2 should read = cos(x)cos(x) – sin(x)sin(x).
Step 2 should read = sin(x)cos(x) – cos(x)sin(x).
Step 3 should read = – 2sin(x)cos(x).
Step 3 should read = 2sin(x)cos(x).
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