Trigonometrymedium · Past Paper
If 3 cos θ = 1, find the value of cosec θ.
A3/(2√2)
B2√2/3
C1/3
D3
✓ Correct Answer: A — 3/(2√2)
cos θ = 1/3, b=1, h=3. p = sqrt(3²-1²) = √8 = 2√2. cosec θ = h/p = 3/(2√2).
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