sec A = \(\frac{15}{7}\) மற்றும் A + B = 90° எனில், cosec B இன் மதிப்பைக் கண்டறியவும்.

1
\(\frac{15}{9}\)
2
\(\frac{15}{7}\)
3
\(\frac{7}{15}\)
4
\(\frac{1}{7}\)

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