Answer:
tan²Θ
Explanation:
simplify the expression using the identities
secΘ =
tan²Θ = sec²Θ - 1
then
( divide each term on the numerator by cos³Θ
= -
= - 1
= sec²Θ - 1
= tan²Θ
Assuming this is
Trig identities used:
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