3 years ago

Following nyo Po ako plsss master follow Po!!!!!

Mathematics

2 answers:

boyakko [2]3 years ago

6 0

Answer:

Okay?...........

Marrrta [24]3 years ago

4 0

Answer: okay

Step-by-step explanation:

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Cot y, if csc y =-10/3 and cos y< 0

fredd [130]

$\csc y=-\dfrac{10}3\implies\sin y=-\dfrac3{10}$

$\cos^2y=1-\sin^2y\implies \cos y=\pm\sqrt{1-\dfrac9{100}}=\pm\dfrac{\sqrt{91}}{10}$

You're told that $\cos y$ , so omit the positive root.

$\cot y=\dfrac{\cos y}{\sin y}=\dfrac{-\frac{\sqrt{91}}{10}}{-\frac3{10}}=\dfrac{\sqrt{91}}3$