Question

(sec 0 + cos ) (sec 0 - cos 6) =
cot 0 + cos²0
tan? 0+sin?
sec? 0
cos ec²0​

Answer 1

(Sec 0 + cos 0) (sec 0 - cos 0)
Sec^2 0 - cos^2 0
1+ tan^2 0 - ( 1- sin^2 0)
1 + tan^2 0 - 1 + sin^0
Tan^2 0 + sin^2 0

Answer 2

Answer:

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