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30 POINTS PLEASE HELP ASAP!!! An incomplete proof of 1- tanθcosθ/cscθ=cos^2 θ is shown. Which of the following expressions could be used to complete the second step of the proof?
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30 POINTS PLEASE HELP ASAP!!!

An incomplete proof of 1- tanθcosθ/cscθ=cos^2 θ is shown.
Which of the following expressions could be used to complete the second step of the proof?

30 POINTS PLEASE HELP ASAP!!! An incomplete proof of 1- tanθcosθ/cscθ=cos^2 θ is shown-example-1
User Dbotha
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1 Answer

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It's the fourth option, 1 - sinθ/cscθ. This is due to the cancellation of cosθ in the numerator:

1 - (sinθ/cosθ × cosθ)/cscθ = 1 - sinθ/cscθ

User Martin Kearn
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