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This is a trigonometrical ratio of complementary angle please do this sum fast pleaseplease please |
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Answer» Answer: Step-by-step EXPLANATION: cos(90°-A) SIN(90°-A)/ tan(90°-A)=1-cos²A LHS=cos(90°-A) sin(90°-A)/ tan(90°-A) =SINACOSA /CotA =sinAcosA /cosA/sinA =sinA / (1/sinA) =sin²A =(sin²A+cos²A)-cos²A =1-cos²A= RHS |
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