tanθ + secθ = x হলে, cosecθ-এর মান কত? (If tanθ + secθ = x, then what is the value of cosecθ)

A x2+1x2-1
B x2-1x2+1
C 1-x21+x2
D 1+x21-x2

Correct Answer: x2+1x2-1

Bissoy MCQ

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