# MATH 259 East Los Angeles College Cosecant Function Pre Calculus Exam Questions must show work. follow each step.see questions that are attached. complete

MATH 259 East Los Angeles College Cosecant Function Pre Calculus Exam Questions must show work. follow each step.see questions that are attached. complete within in hour 12:47
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Assignment Details
MATH 259 : Precalculus/Trig – Hito M. – SUMMER 2020 -…
pm. Make sure it goes through.
1) Find the exact value, no calculators:
a) cot-1(-1)
16
CSC T
15
range for the inverse cosecant function.
c) cos(sin-‘(-3)).
2) Solve each equation:
cos 50 =
a)
13. for all values for 0 in radians
b) cot(?) = -1, for 0 < a < 41 3) Verify the identity: 1-cos x 1+cos x (csc x  cot x)2 = 4) If sin a = u a in IIQ; sin ß = cos ß < 0, find using the difference of angles identities: 3 a) sin(a  B) b) tan(a  B) c) the quadrant for (a  B). 12:47 1 5GE Phone Done Assignment Details MATH 259 : Precalculus/Trig - Hito M. - SUMMER 2020 -... 5) Find the exact values, no calculators: a) tan(60°), use the double angle identity. b) sin 67.5°, use the half angle identity. 6) Solve the equation: csc? 0  2 cot 0 = 0, for 0 < 0 < 21 7) Draw the corresponding pictures and answer the questions: a) Find the exact bearing of the point A (11, -11) from the origin of a rectangular coor b) Find c for the following triangle: C = 90°, A = 76°, b = 3, round your answer to the nearest thousandth. 8) Solve the triangle(s) if any: a = 22 ft, A = 55°, b = 25 ft. 9) Two ships leave a harbor together, traveling on courses that have an angle of 135° 40' between them. If each travels 402 miles, how far apart are they? 10) a) Find the exact are of the triangle : 12:47 1 5GE Phone Done Assignment Details MATH 259 : Precalculus/Trig - Hito M. - SUMMER 2020 -... questions: a) Find the exact bearing of the point A (11, -11) from the origin of a rectangular coor b) Find c for the following triangle: C = 90°, A = 76°, b = 3, round your answer to the nearest thousandth. 8) Solve the triangle(s) if any: a = 22 ft, A = 55°, b = 25 ft. 9) Two ships leave a harbor together, traveling on courses that have an angle of 135°40' between them. If each travels 402 miles, how far apart are they? 10) a) Find the exact are of the triangle : a = 20, b = 45, C = 30. b) Is this triangle acute, right or obtuse? (hint: the greatest angle is opposite the longest side) Purchase answer to see full attachment

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