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Mathematics
13.08.2022 19:49
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Cosθ(tanθ + cotθ) = • cscθ • secθ • cos^2θ • 1

Cosθ(tanθ + cotθ) =

• cscθ

• secθ

• cos^2θ

• 1
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Jasten
Jasten
4,9(57 marks)

\cos \theta(\tan \theta + \cot \theta)\\\\=\cos \theta \tan \theta + \cos \theta \cot \theta \\\\=\cos \theta \left (\dfrac{\sin \theta}{\cos \theta} \right)+ \cos \theta \left(\dfrac{\cos \theta}{\sin \theta} \right)\\\\\\=\sin \theta + \dfrac{\cos^2 \theta}{\sin \theta}\\\\=\dfrac{\sin^2 \theta + \cos^2 \theta}{\sin \theta}\\\\=\dfrac 1{\sin \theta}\\\\=\csc \theta

viviansotelo12
viviansotelo12
4,5(57 marks)

I will not answer you because you are my friend

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