remontantrose remontantrose

19-01-2021
Mathematics

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Here is the proof of sinx+cos^2x/cosx=tanx+cosx. What is the missing line?

Here is the proof of sinxcos2xcosxtanxcosx What is the missing line class=

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Dirtyfacebabyaj Dirtyfacebabyaj

19-01-2021

See Explanation Below

Step-by-step explanation:

Given

Required

Prove

To start with; we open the bracket on the left hand side

Reorder

From trigonometry;

So;

becomes

Also from trigonometry;

So,

becomes

Proved

Answer Link

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