How to prove the following:

$\mathrm{tan}}^{2}x+1+\mathrm{tan}x\mathrm{sec}x=1+\frac{\mathrm{sin}x}{{\mathrm{cos}}^{2}x$

Cem Hayes
2021-03-02
Answered

How to prove the following:

$\mathrm{tan}}^{2}x+1+\mathrm{tan}x\mathrm{sec}x=1+\frac{\mathrm{sin}x}{{\mathrm{cos}}^{2}x$

You can still ask an expert for help

hosentak

Answered 2021-03-03
Author has **100** answers

So we have

(To prove

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