For the triangle ABC, which of these is not a Law of Cosines? (a) a2=b2+c2-2bc cos A (b) b2=c2+a2- 2ac cos B (c) c2=a2+b2-2ab cos C (d)...

For the triangle ABC, which of these is not a Law of Cosines? (a) a2=b2+c2-2bc cos A (b) b2=c2+a2- 2ac cos B (c) c2=a2+b2-2ab cos C (d)...

Given the triangle ABC with angles A= 58°, B=70°, and side c=21cm. Using the Law of Sines, find the length of the side a. Approximate your answer to the nearest whole number. Show all...

A port and a radar station are 5 mi apart on a straight shore running east and west. A ship leaves the port at noon traveling at a rate of 19 ?mi/hr. If the ship maintains its speed and? course, what...

Find the value of side b for each triangle using The Law of Sines: 1)A=24.3 degrees C=54.6 degrees a=2.68 2)B=10 degrees C=135 degrees c=45 3)A=10 degrees B=60 degrees a=7.5...

1)The bearing from A to B is 40°. Determine the bearing of A from B. 2) If the beating from A to B is 120 degrees. Determine the bearing of A from B. 3) Describe in words what the bearing...

P.s sorry can't draw the triangle it would have made it easier. AB is 211. BC is 142. AC is 185. Thanks :)

P.s sorry can't draw the triangle it would have made it easier. AB is 211. BC is 142. AC is 185. Thanks :)

find the indicated side to the nearest tenth. Thanks :)

Solve for 2cosx - sin2x= cos2x over the interval [0,2pi) 1.) x=pi/6 and 11pi/6 2.) x=5pi/6 and 7pi/6 3.) x=2pi/3 and 4pi/3 4.) x=pi/3 and 5pi/3

law of sines

Solve the triangle using the law of sines: a = 75 b = 100 c = ? <A = 30° <B = ? <C =? My work: Sin B / 100 = sin 30 / 75 Sin B =...

Given: <B = 29 degrees. <C = 51 degrees. b = 44 51 + 29 = 80 degrees. <A = 100 degrees. Sin51° / c = sin29°/44 c = 44sin51° / sin29° c...

I need to know where this angle would go I'm order to solve for the rest of the triangle. A 12.0m tall power pole is leaning 6.5° off of the vertical because of soil erosion...

In ΔPQR, q = 45 cm, ∠Q=117° and ∠R=18°. Find the length of p, to the nearest 10th of a centimeter.

A metal ring with diameter 1.94 metres is suspended in a horizontal plane by four support ropes each 5.40 m long, which are attached to points equidistant around the ring, and joined together at a...

A hot air balloon is flying above Groveburg. To the left side of the balloon, the balloonist measure the angle of depression to the Groveburg soccer fields to be twenty degrees 15’. To the right side...

1) a=52 degrees, b=14,c=6 2)a=5,b=11,c=9

1. A=33 degrees, a=20,b=13 2. C=137degrees, a=19,c=8

I'm having trouble finding the missing sides and angles for the triangle. I know you have to use law of sines to find them, but I'm having trouble. Any help is greatly appreciated! A=...

AD is drawn perpendicular to BC ,m(BAD)=alpha,and m(CAD)=beta Prove that:AD=a*cos(alpha)*cos(beta)/sin(alpha+beta)

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