Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 5 - No. 50)
Which tools are useful to solve problems involving angles of elevation and depression?
Trigonometric Ratios (SOH CAH TOA)
The Law of Sines
The Law of Cosines
Pythagorean Theorem
Explanation
All tools are useful to solve problems involving angles of elevation and depression.
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