Question: True or false? bys 1 TT 4(1+ tan20)de = 1 (Note that : 1+tan 0=sec 20 (Note that : 1+tan e=sec e)

True or false?

bys 1 TT 4(1+ tan20)de = 1 (Note that : 1+tan 0=sec 20
(Note that : 1+tan e=sec e)
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