Zadanie 2h
For this part take , 0 ≤ θ ≤ 2π. The point A on this curve has negative imaginary part and a horizontal tangent. Using 2g, find its θ in [0, 2π].
Solve trigonometric equations over stated intervals, including equations reducible to quadratics, and retain every valid solution.
Tę umiejętność sprawdza 16 zadań wzorowanych na arkuszach IB z lat 2022–2026.
For this part take , 0 ≤ θ ≤ 2π. The point A on this curve has negative imaginary part and a horizontal tangent. Using 2g, find its θ in [0, 2π].
Solve f(x)=g(x) on the stated domain.
Hence solve for 0 < θ < π, with θ ≠ π/2.
Solve for π ≤ θ ≤ 2π.
The smaller angle between Lk and the horizontal is π/10. Find all possible k.
Hence or otherwise solve for 0° ≤ x ≤ 180°.
Solve for 0° ≤ x ≤ 120°.
Find the x-coordinates of A and C.
During one complete cycle of chamber A, for how many hours is the temperature below 5.5°C?
Find the first time T≥0 when the two chambers have equal temperatures.
Hence or otherwise, solve for 0≤x≤2π. The identity is available on its domain.
Solve for −π≤x≤π.
Find the first time when the clearance is 1.9 cm.
An observation time is selected uniformly from 0 to 6 seconds. Find the probability that the clearance exceeds 1.9 cm.
Find the least positive x satisfying .
Find the total time in[0,8] when B’s content increases faster than A’s.
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