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Grade 11Trigonometry

(1+tanA+secA)(1+cotA-cosecA)

Profile image of abiramy ramaswami
13 Years agoGrade 11
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1 Answer

Profile image of sai karthik
13 Years ago

(cosA +sinA+1)(sinA+cosA-1)=(sinA+cosA)(sinA+cosA)-1

                                              =1+2sinAcosA-1

                                                 =sin2A