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aleksley [76]
2 years ago
7

Solve trigonometric function sin∅ + cos∅ × cot∅

Mathematics
1 answer:
Aleks04 [339]2 years ago
5 0

Answer:

\csc(\theta)

Step-by-step explanation:

\cot(\theta)=\dfrac{1}{\tan(\theta)}=\dfrac{\cos(\theta)}{\sin(\theta)}

\sin^2(\theta)+\cos^2(\theta)=1

\implies \sin(\theta)+\cos(\theta)\times\cot(\theta)=\sin(\theta)+\cos(\theta)\times\dfrac{\cos(\theta)}{\sin(\theta)}

=\sin(\theta)+\dfrac{\cos^2(\theta)}{\sin(\theta)}

=\dfrac{\sin^2(\theta)}{\sin(\theta)}+\dfrac{\cos^2(\theta)}{\sin(\theta)}

=\dfrac{\sin^2(\theta)+\cos^2(\theta)}{\sin(\theta)}

=\dfrac{1}{\sin(\theta)}

=\csc(\theta)

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