Solve the equation $$\(5 \tan x=-7\)$$ for $$\(0^{\circ} \leqslant x \leqslant 360^{\circ}\)$$. $$\(x=\)$$ ................ or $$\(x=\)$$ ................
Exam No：0580_w20_qp_41 Year：2020 Question No：10(b)(ii)
Answer:
\(125.5\) or \(125.53\) to \(125.54\)
and
\(305.5\) or \(305.53\) to \(305.54\)
and
\(305.5\) or \(305.53\) to \(305.54\)
Knowledge points:
E6.3.1 Recognise, sketch and interpret graphs of simple trigonometric functions.
E6.3.2 Graph and know the properties of trigonometric functions.
E6.3.3
Solution:
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