Questions on Algebra: Trigonometry answered by real tutors!

Tutors Answer Your Questions about Trigonometry-basics (FREE)

Question 43276: Find: csc 305o 45'
Click here to see answer by fractalier(2101)

Question 43277: Find: sec 488o 34'
Click here to see answer by fractalier(2101)

Question 43283: A plane flies 285 km due west and then 320 km due north. what are its distance and bearing from the starting point?
thanks
Click here to see answer by fractalier(2101)

Question 43288: Given magnitude and direction of vector, resolve it into its x and y components (-3, -120o)
Click here to see answer by fractalier(2101)

Question 43287: Given magnitude and direction of vector, resolve it into its x and y components (7, -60o)
Click here to see answer by fractalier(2101)

Question 43291: Convert the given coordinates to the equivalent polar form: (negative radical 2, negative radical 2)
Click here to see answer by fractalier(2101)

Question 43294: Choose the correct x + yi form for: 2(cos 120o + i sin 120o)
Click here to see answer by fractalier(2101)

Question 43293: Choose the correct x + yi form for: 2(cos 120o + i sin 120o)
Click here to see answer by fractalier(2101)

Question 43295: Choose the correct x + yi form for: 4(cos 240o + i sin 240o)
Click here to see answer by fractalier(2101)

Question 43301: Given x + iy form, write in polar form: negative radical 5 + i
Click here to see answer by stanbon(57984)

Question 43300: Given x + iy form, write in polar form: 5-i
Click here to see answer by fractalier(2101)

Question 43299: Given x + iy form, write in polar form: 12 + 5i
Click here to see answer by fractalier(2101)

Question 43298: Given x + iy form, write in polar form: 2 radical 2 (1-i)
Click here to see answer by fractalier(2101)

Question 43286: The magnitude and direction of vector, resolve it into its x and y components (2, 45o)
Click here to see answer by fractalier(2101)

Question 43289: Convert the given coordinates to the equivalent polar form: (0, -3)
Click here to see answer by fractalier(2101)

Question 42454: Find the exact value of sin θ/2 if cos θ = 2/3 and 270º< θ<360º.
Thank You
Click here to see answer by fractalier(2101)

Question 43297: Choose the correct x + yi form for: 0.8(cos 250o + i sin 250o)
Click here to see answer by stanbon(57984)

Question 43296: Choose the correct x + yi form for: 3(cos 20o + i sin 20o)
Click here to see answer by psbhowmick(529)

Question 43342: Triangle DEF with vertices D(2,5), E(1,-6), and f(-5,3) is translated 3 units right and 2 units down. Find the coordinates of D'E'F'.
Thank You
Click here to see answer by checkley71(8403)

Question 43290: Convert the given coordinates to the equivalent polar form: (radical 3, -1))
Click here to see answer by stanbon(57984)

Question 43292: Convert the given coordinates to the equivalent polar form for wz: w = 4(cos0o + i sin 0o), Z= 3(cos 130o + i sin 130o)
Click here to see answer by venugopalramana(3286)

Question 43447: (csc^4 x )- (cot^4 x) states to factor and simplify
Click here to see answer by psbhowmick(529)

Question 43445: cos x / 1-sin x
use fundamental identities to simplify
Click here to see answer by venugopalramana(3286)

Question 43782: Write -200o in radians
Thanks
Click here to see answer by Nate(3500)

Question 43785: in triangle ABC, a = 5, b = 9, and c = 6. Find angle A, angle B, and angle C.
Thanks
Click here to see answer by Nate(3500)

Question 43761: Find the center and radius of the circle: x^2 + y^2 - 6x + 8y + 21 = 0
Click here to see answer by Nate(3500)

Question 43941: convert cooridinates to equivalent polar form (0,-3)
Click here to see answer by fractalier(2101)

Question 43941: convert cooridinates to equivalent polar form (0,-3)
Click here to see answer by adamchapman(301)

Question 43994: given the following, evaluate csc0
cos0=1/2
tan0 is negative
A) 2 (square root symbol)3/3
B) -2 (square root symbol)3/3
C) 2
D) -2
Click here to see answer by stanbon(57984)

Question 43993: what is the phase shift for 3sin(3x + Pi/2)
A) 3
B) -3Pi/2
C) -Pi/6
D) Pi/2
Click here to see answer by stanbon(57984)

Question 44188: Solve ∆ABC if C=90 degrees, B=20 degrees, and b=10. Round measures of sides to the nearest tenth and measures of angles to the nearest degree.
Thanks
Click here to see answer by stanbon(57984)

Question 44198: Find the exact value of: tan(-3π).
Thanks
Click here to see answer by stanbon(57984)

Question 44199: Find the exact value of: sin60º-cos60º.
Thanks
Click here to see answer by stanbon(57984)

Question 44212: Solve: x=Arc tan(-√3).
Thank You
Click here to see answer by stanbon(57984)

Question 44216: Find the amplitude, if it exisrs, and the period of: y=cos 3θ.
thank You
Click here to see answer by stanbon(57984)

Question 44215: Graph the function: y=4sin 2θ.
Thank You
Click here to see answer by stanbon(57984)

Question 44208: Should the triangle be solved beginning with Laws of Sines or Laws of Cosines. Then solve the triangle and round to the nearest tenth. A=16, b=13, c=10.
Thank You
Click here to see answer by adamchapman(301)

Question 44211: P(-15/17,-8/17) is found on the unit circle. Find sin θ and cos θ.
Thank You
Click here to see answer by stanbon(57984)

Question 44209: Should the triangle be solved beginning with Laws of sines or Laws of Cosines. Then solve the triangle and round to the nearest tenth. A=56 degrees, B=38 degrees, a=13.
Thank You
Click here to see answer by stanbon(57984)

Question 44214: Verify that (sec θ/sin θ)(cot θ/csc θ)= csc θ is an identity.
Thank You
Click here to see answer by adamchapman(301)

Question 44305: Simplify: [(1/secӨ)+(sin^2Ө/cosӨ)]cosӨ.
Thank You
Click here to see answer by venugopalramana(3286)

Question 44298: Find the amplitude, if it exists, and the period of: y=tan(1/4Ө).
Thank You
Click here to see answer by AnlytcPhil(1278)

Question 44304: Find secӨ if sinӨ=-4/5 and 270º<Ө<360º.
Thank You
Click here to see answer by venugopalramana(3286)

Question 44304: Find secӨ if sinӨ=-4/5 and 270º<Ө<360º.
Thank You
Click here to see answer by AnlytcPhil(1278)

Question 44197: Find the exact value of: sin 405º.
Thanks
Click here to see answer by jake_6233(74)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810