Applications of Trigonometry — Formula Sheet
Telangana Board · Class 10 · Mathematics
8 formulas from Applications of Trigonometry (Telangana Board Class 10 Mathematics) on one page, grouped by topic.
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Formulas and Key Relations
Trigonometric Ratios Used in Height and Distance Problems
tan 60° = AB/OB
sin 45° = OA/OB
tan 45° = DC/BC
tan 30° = DC/AC
h = 11/(√3-1) m
Important solved results and facts to remember
In Example-4, the boy observes the pole top at 60° from 8 m away, giving height 8√3 m.
In Example-5, the distance of the person from Rajender is 500√2 m.
In the palm tree problem with AB = 11 m and angles 30° and 45°, the height is 11/(√3-1) m.
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