Question

(sino+ seco)^2 + (coso+seco)^2= 7+tan^2o+cot^2o

Answer 1

Step-by-step explanation:

(sinO+cosecO)²+(cosO+secO)²

=sin²O+2sinOcosecO+cosec²O+cos²O +2cosOsecO+sec²O

=sin²O+cos²O+2+2+1+tan²O+1+cot²O

=7+tan²O+cot²O

Answer 2

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