- Math
- Trigonometry ratios
- Age 15
-
level: 9
- English
คำแนะนำของผู้เขียน
Calculate the value of x without drawing any right-angled triangle or using Pythagoras theorem or using calculator.
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Calculate the value of x without drawing any right-angled triangle or using Pythagoras theorem or using calculator.
คำแนะนำของผู้เขียน
Calculate the value of x without drawing any right-angled triangle or using Pythagoras theorem or using calculator.