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Chloe Sneed

Chloe S.

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Kathleen Carty verified

Numerade educator

Find the exact value for the expression under the given conditions. Write your answer in simplest form. Rationalize the denominator, if necessary. sin(a + b); cosa = 3/7 for a in Quadrant IV and sinB = 7/25 for B in Quadrant II. sin(a + B) =

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Oswaldo Jiménez verified

Numerade educator

x= 7sin0 and y = -7cos0 Eliminate the parameter and write an equation in rectangular coordinates. The equation in rectangular coordinates in standard form is

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Kathleen Carty verified

Numerade educator

Find the exact length of the arc intercepted by a central angle 0 on a circle of radius r. Then round to the nearest tenth of a unit. 0 = 315, r = 8 yd a) The exact length of the arc is yd b) The approximate length of the arc, rounded to the nearest tenth of a yard, is yd

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Kathleen Carty verified

Numerade educator

x^2 + 9 (y + 4)^2 = 81 Find the endpoints in minor axis

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Derek Follett verified

Numerade educator

4x^2+36x+20y+181=0 Find the focal diameter

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Danielle Fairburn verified

Numerade educator

are the signs of cos a/2 and tan a/2 the opposite or same?

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Derek Follett verified

Numerade educator

Find the reference angle for the given angles. If the angle is given in degrees, give the reference angle in degrees. If it is given in radians, give the reference angle in radians. a) 0.9 b) 0.9Ï€ c) 5.1 d) 5.1 degrees

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Oswaldo Jiménez verified

Numerade educator

4x^2 + 9y^2 - 8x + 3 = 0 Find the endpoints of the minor axis

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Matthew Wagner verified

Numerade educator

Solve the equation. Write numbers using integers or simplified fractions. 2cos2x = √3 a) Write the solution set for the general solution. Use n, where n is an integer. The solution set for the general solution is {x|x= , x= } b) Write the solution set on the interval [0,2π).

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Oswaldo Jiménez verified

Numerade educator

Find the area of a triangle with the given measurements. Round to 1 decimal place. A= 143 degrees, b = 20 m, c=18 m

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