Write the expression as an algebraic expression in x for x > 0. sec [sin-1x/(√x2+25)]
Write the expression as an algebraic expression in x for x > 0. sec [sin-1x/(√x2+25)]
6tan(arcosx)
Towers A and B are constructed on a horizontal plain . B being 200m above the plain . the angle of elevation of the top of tower A as seen from point C in the plain.(in the same horizontal plain with...
Find the exact values of sin2θ cos2θ and tan2θ for sinθ= -12/13; 270<θ<360 i got sin2θ=120/169 cos2θ=-119/169 and tan2θ=120/119
1. Express cos 64 deg in terms of sin 32 deg. 2. Express sin 185 deg in terms of cos 370 deg.
o=√r^2+k^2-2rkcosO o=√r^2-k^2-2rksinO
He wants it to have side lengths of a= 8 inch and b= 4 in. If m(angle)A=50, how many different placemats can Dan make? a) 0 b) 1
Which is the sine of ∅? a) -3/5 b) 3/5 c) -4/5 d) 4/5
Which set of expressions, where N is an integer, give all possible values of "sin^-1(√2/2)" π is pi a) (2π)N, π+(2π)N b) π/4+(2π)n, 3π/4+(2π)N c)...
a) √3/2 b) √3 c) -√3/2 d) -√3
a) 30 degrees b) 60 c) 120 d) 135
a) 270 and -90 b) 270 and 450 c) 0 and 180 d) 450 and -270
The tire turns counterclockwise through 8.5 complete rotations. What is the new position of the nail in the tire? a) 0 b) 90 c) 180 d) 270
Find the solutions of the equation that are in the interval [0, 2π). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) cos COS[2X-(pi/3)]=0 given...
An island is located 36 miles North 32° 39' West of a city. A freighter in distress radio's it's position as North 11° 24'of the island and North 16° 28' West of the city. How far is the Freighter...
Find the angle between the given vectors a=i + j b= 4i -3j
i typed that into my online homework and it showed up wrong what am i doing wrong ?
Make the trigonometric substitution x = a sin θ for −π/2 < θ < π/2 and a > 0. Use fundamental identities to simplify the resulting expression. √(a^2 − x^2) x^2 PLEASE...
if tan(a)=(-4/3) , and cot b=(12/5) for a second quadrant angle a and a third-quadrant angle b, find the following.... (a) sin(α + β) (b) cos(α + β) (c) tan(α...
If sin(a)=(-4/5) and sec (b)=(5/3) for a third quadrant angle a and a first quadrant angle b, find the following... (a) sin(a+b) (b)tan(a+b)