The value of cos^-1(-(sqrt3)/2) is

Find the exact solution(s) of the system: x^2/4-y^2=1 and x=y^2+1A)(4,sqrt3),(4,-sqrt3),(-4,sqrt3),(-4,-sqrt3)
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2. asked by Jon
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Find the exact solution(s) of the system: x^2/4-y^2=1 and x=y^2+1A)(4,sqrt3),(4,-sqrt3),(-4,sqrt3),(-4,-sqrt3)
1. 3 answers
2. asked by Jon
3. 702 views
(sqrt3 + 5)(sqrt3 -3) ?multiply that out sqrt3*sqrt3 -3sqrt3 +5sqrt3 -15 now combine and simplify terms. yes the problems is:
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2. asked by Jasmine20
3. 782 views
Find a polynomial function of degree 3 with the given numbers as zeros.-5, sqrt3, -sqrt3 Would this work as a function for this
1. 2 answers
2. asked by Alyssa
3. 713 views
Assume that no denominator equals 0.sqrt12 - sqrt18 + 3sqrt50 + sqrt75 = (sqrt2^2*3) - (sqrt2*3^2) + (3sqrt2*5^2) + (sqrt3*5^2)
1. 1 answer
2. asked by Jon
3. 703 views
Rationalize denominator, all variables positive real numbers and denominator is not zero.sqrt3/3 sqrt2 - sqrt3
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2. asked by Lori
3. 665 views
rationalize the denominator of:(4 sqrt3+5sqrt 2)/(sqrt48 +sqrt18) (5 +sqrt3)/(7-4 sqrt3)
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2. asked by raghav
3. 549 views
Which of the following is the correct ratio for tan(7pi/6) A. Tan(7pi/6) = -sqrt3/2/-1/2 = sqrt 3B. Tan(7pi/6)= -1/2/-sqrt3/w =
1. 1 answer
2. 23 views
Which points are on the graph of y = tan x? Select all that apply.a. (4pi/3,sqrt3) b. (pi/4,-1) c. (pi/6,-sqrt3/3 d.
1. 3 answers
2. 75 views
How can I get rid of the square roots in this fraction?sqrt((2-sqrt3))/sqrt((2+sqrt3)) the answer is 2-sqrt3 but I don't know
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2. asked by lovemath
3. 505 views