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Can someone please help me with this .. ASAP

Can someone please help me with this .. ASAP-example-1
User Gareth
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1 Answer

4 votes

Answer:
(-5)/(4), (3)/(4)

Explanation:

Given


\theta is in the third quadrant and


\Rightarrow \cos \theta=(-3)/(5)

tan and cot is positive in the third quadrant and the rest are negative

using identity


\sin^2 \theta+\cos^2 \theta=1\\\Rightarrow \sin \theta=-√(1-\cos^2 \theta)\\\Rightarrow \sin \theta =-\sqrt{1-(-(3)/(5)^2)}\\\Rightarrow \sin \theta =-(4)/(5)\\\Rightarrow\text{cosec} \theta=-(5)/(4)\\\Rightarrow \cot \theta=(\cos \theta)/(\sin \theta)=((-3)/(5))/((-4)/(5))=(3)/(4)

User Jesika
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5.4k points