Determine bearing and distance of ship from starting point
A ship leaves port on the bearing N70(degree)E at the speed of 10 knots. After 4 hours, it makes the 90(degree) turn toward North and proceeds two hours to take some surrounding. Determine bearing and distance of the ship from its starting point.
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Solve trigonometric equation (sin x)(2cos x-1) = 0 in interval [0,360°). Compute exact value of sin^-1 (sin 5pi / 6). Compute exact value of cos^-1 (tan 5pi / 4).
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After 4 hours, it makes the 90(degree) turn toward North and proceeds two hours to take some surrounding. Determine bearing and distance of the ship from its starting point.
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