(sinA-cosecA)²+(cosA+secA)²-(tan²A+ cot²A)=?
a.2√3
b.3
c.4
d.5√2...
Mathematics, 24.03.2021 17:20, tddreviews
(sinA-cosecA)²+(cosA+secA)²-(tan²A+ cot²A)=?
a.2√3
b.3
c.4
d.5√2
Answers: 2
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