E-Math - Trigonometry - Angle of Elevation & Depression

E-Math - Trigonometry - Angle of Elevation & Depression

Topic: Trigonometry

Any vertical object on the ground can be assume to be 90 degrees.
 You can form a right-angle triangle and use trigonometric ratio:
TOA, CAH, SOH to solve.

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About Unknown

I created this Blog after my students told me that there is very little information about how to solve GCE O Level Math and Additional Math (A-Math) questions on the internet. Even if they manage to find, the solution were for very basic questions. I am a Full-time Math Tutor in Singapore. I tutor mainly in Northern Singapore (Woodlands, Chua Chu Kang, Bukit Panjang, Yishun and Sembawang). I also tutor in Johor Bahru.