Question

if cosec A =15/7 and A+B=90° find the value of sec B

Answer 1

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Answer 2

Answer: The value of sec B is $\frac{15}{7}$

Step-by-step explanation:

Since we have given that

cosec A=$\frac{15}{7}$

And A+B=90°

Now, we know the rule of "Trigonometric ratio":

$cosec(90^\circ-B)=\frac{15}{7}\\\\sec\ B=\frac{15}{7}\\\\\because\text{As we know that }cosec(90^\circ-A)=sec\ A$

Hence, the value of sec B is $\frac{15}{7}$