Mathematics, 22.08.2019 05:00 zaanebali

Verify the identity:
cos(x+π/2)= -sinx

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Verify the identity:
cos(x+π/2)= -sinx...

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More questions: Mathematics Another questions

Verify the identity: cos(x+π/2)= -sinx

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Another question on Mathematics

Verify the identity:
cos(x+π/2)= -sinx