I tried converting these all in sin and cos and I got the answer but the answer didn't match

Gregory Jones
2021-12-28
Answered

Finding solution of a Trigonometric equation

$\mathrm{tan}A+\mathrm{tan}2A+\mathrm{tan}3A=0$

I tried converting these all in sin and cos and I got the answer but the answer didn't match

I tried converting these all in sin and cos and I got the answer but the answer didn't match

You can still ask an expert for help

Hattie Schaeffer

Answered 2021-12-29
Author has **37** answers

Use this:

$\mathrm{tan}3A=\frac{\mathrm{tan}A+\mathrm{tan}2A}{1-\mathrm{tan}A\mathrm{tan}2A}$

Substitute the numerator with −$\mathrm{tan}3A$ and youre

Substitute the numerator with −

enhebrevz

Answered 2021-12-30
Author has **25** answers

If

Otherwise,

If

Otherwise,

nick1337

Answered 2022-01-08
Author has **510** answers

Hint

The following identities for the tangent of multiple angles should be useful

I am sure that you can take from here.

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