Question

prove that tanA+secA-1/tanA-secA+1=1+sinA/cosA

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

tanA + secA - (tan²A - sec²A) / tanA - secA + 1

tana + seca - (tana - seca)(tana + seca) / tana - seca + 1

tana + seca(1 + tana - seca) / tana - seca + 1

∴tana + seca = 1 + sina / cosa