Mathematics, 30.10.2020 02:30 gmedisa08

Which expression is equivalent to cos( pi/2+ r) for all values of r? sin(r)
cos(r)
-sin(r)
-cos(r)

Answers: 1

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Which expression is equivalent to cos( pi/2+ r) for all values of r? sin(r)
cos(r)
-sin(r...

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More questions: Mathematics Another questions

Which expression is equivalent to cos( pi/2+ r) for all values of r? sin(r)cos(r)-sin(r)-cos(r)

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Another question on Mathematics

Which expression is equivalent to cos( pi/2+ r) for all values of r? sin(r)
cos(r)
-sin(r)
-cos(r)