67745933-Math-17-LE5-Samplex

# 67745933-Math-17-LE5-Samplex - I l True or False Fifth Long...

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Unformatted text preview: I l. True or False Fifth Long Exam {a} Theexpression i2o0e q 12010 a 12011 .rn be simplified into i. (b) The law of sines and the law of cosines also hold true for right triangles. (c) The rectangular coordinates (n,-n) converted to the polar coordinates ls (frn, I). (d) The equation cos-l(cos x) = x is an identity. ( e ) c i s n - 1 = 0 (f) The standard polar form of -3y'3 * 3i is 6 cis f. (g) The simplified cartesian torm otffiis oi. ll. Solve for all possible values of r eC. (a) sinx = cos x ,x in radians, r €R (b) sin6r * coss x = 6,0 1 xS 180" (cl x7 - 2x3 + ZtEix3 = o Simplify and express in Cartesian form (/5+ i)" -(z+zi\E)6 (3 cis zoo)2(z cis 1oo.) 18 cis 50" (+ cls rss")2(\6+i)3 (2 cds 48o)s lV. A right triangle has sides of length 9 and 11. What are the possible lengths of the third side? V. Solve the following completely. (a) Find the 4th roots of z = 3 - 3i. Express answer in polar form. (b) Express (-i * 9)t ,rr atgebraic form a * bi....
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67745933-Math-17-LE5-Samplex - I l True or False Fifth Long...

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