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allsm [11]
3 years ago
13

If csc B = b, which number below is not a possible value of b?

Mathematics
2 answers:
3241004551 [841]3 years ago
8 0

Answer with Step-by-step explanation:

We know that:

cscB=\dfrac{1}{sinB}

cscB=b

implies that

sinB=1/b

We also know that value of sin lies between -1 and 1

Hence,

-1\leq \dfrac{1}{b}\leq 1

This means that -b≤1≤b

i.e. 1≤lbl

Hence, b≥1 or b≤-1

Hence, option b) 0.5 is incorrect

Andru [333]3 years ago
3 0
We know that for all B:

\csc\text{B}\in(-\infty,-1]\cup[1,\infty)

So the answer is 0,5 (b.)
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