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OpenStudy (anonymous):
(sinA+secA)^2+(cosA+cosecA)^2=(1+secAcosecA)^2
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OpenStudy (anonymous):
open the squares sin^2A+sec^2A+ 2tan A +cos^2A+cosec^2A+2cotA 1+1+tan^2A+2 tan A +1+cot^2A+2cotA (1+tanA)^2+(1+cotA)^2+1 now convert tan to cot and then initiate
OpenStudy (anonymous):
kk thx
OpenStudy (anonymous):
how can we convert tan to cot in this problem..??
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