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Q= Evaluate: cosec 31°-sec 90°please answer the question it's urgent please no spamno spam ​

Answer»

ANSWER:

Step-by-step EXPLANATION:

We know that,

COSECA = sec(90°-A)

So we can WRITE cosec31° as sec(90-31°) = sec59°

=> sec59° -sec90°

=> sec-31



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