Question

find the value of cosec 315⁰​

Answer 1

Answer:

Step-by-step explanation:     -√2 is the value

Answer 2

Answer:

$- \sqrt{2}$

Step-by-step explanation:

$\cosec \: 315°= \cosec(270° +45° ) \\\cosec(270° + \alpha ) = - \sec( \alpha) \\ \cosec(270° +45° ) = - \sec(45°) \\ \cosec(315° ) = - \sqrt{2}$

Hope it helps you mate

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