Darius Low's answer to Jonathan has been failing amaths lmfao's Secondary 4 A Maths question.
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Once you understand how to establish the triangle, the question becomes very straightforward.
For part ii, it's just a matter of recognizing that pi/2 is actually 90°, and that 90°-A means the other unknown angle.
For part iii, as long as you can recall your double angle formula, it's straightforward enough
For part ii, it's just a matter of recognizing that pi/2 is actually 90°, and that 90°-A means the other unknown angle.
For part iii, as long as you can recall your double angle formula, it's straightforward enough
Date Posted:
6 years ago
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