Math, asked by annapurna65, 1 year ago

cos 225 degrees × cosec 315 degrees

Answers

Answered by jatindchoudhari

2

Answer:

Step-by-step explanation:

cos(π+45∘)cosec(π−45∘)

(−cos45∘)(cose45°)

(-1/2)(√2)

-1

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