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Question Number 203375 by a.lgnaoui last updated on 17/Jan/24

$$\mathrm{valeur}\mathbf{x}?$$$$(\measuredangle \mathrm{ECA}=90)$$

Commented by mr W last updated on 18/Jan/24

$$17\sin 5x+17\cos 5x\tan x=13$$$$\sin 5x+\cos 5x\tan x=\frac{13}{17}$$$$\Rightarrow x\approx 8.1985$$

Commented by a.lgnaoui last updated on 18/Jan/24

$$\mathrm{yes}\mathrm{look}\mathrm{for}\mathrm{the}\mathrm{folowing}\mathrm{question}$$

Commented by a.lgnaoui last updated on 18/Jan/24

Commented by a.lgnaoui last updated on 19/Jan/24

$$\mathrm{thanks}$$

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