PT
(sin + CosecA ) + (cosA + SecA) + 7 + tanA + (cot^2A)
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Step-by-step explanation:
(sinA+cosecA)²+(cosA+secA)²
=sin²A+cosec²A+2sinAcosecA+cos²A+ sec²A+2secAcosA
=1+2+2+(1+tan²A)+(1+cot²A)
=7+tan²A+cot²A
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