Question

if cosec A - cot A = 5, then cosec A + cot A =___
a)-5, b)1/5,c)-1/5​

Answer 1

Answer:

Given:

cosecA - cotA = 5

Identity:

(cosec^2A - cot^2A) = 1

Proof:

(cosecA + cotA)(cosecA - cotA) = 1

(cosecA + cotA)(5) = 1

cosecA + cotA = 1/5

Hence Proved

Answer 2

$\blue{ \huge{ \frac{1}{5} }}$

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