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Which step is incorrect? Look at picture
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Which step is incorrect? Look at picture

Which step is incorrect? Look at picture-example-1
User Ldg
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2 Answers

3 votes

Answer: step 4 is incorrect

Explanation:

User Haneen
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3.1k points
3 votes

Answer:

step 4 is incorrect.

there must be;

cos(π/2-x)cos(y)-sin(π/2-x)siny

User Bruno Farias
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3.5k points
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