how to solve it and any short trick
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Answer:
no short tricks do it without them
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Step-by-step explanation:
tan∅=1+tan²∅ --------(1)
tan∅=sec²∅ ---------------(1+tan²∅=sec²∅)
Therefore,
sec²∅ - sec⁴∅= tan∅ - tan²∅
= 1+tan²∅ - tan²∅ -------(from (1))
=1
This is the best short answer for this question.
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Hopefully I think this will help you!!!
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