explain when one should use the law of cosine instead of the law of sine

explain when one should use the law of cosine instead of the law of sine

triangles and find side

The hour hand on my antique schoolhouse clock is 3 inches long and the minute hand is 4.3 inches long. Find the distance between the ends of the hands when the clock reads four o'clock. (Round your...

Using trigonometric methods (law of cosine/sine) or cosine/sine/tangent, determine which set of lengths will form a triangle with the greater area? Show work for both sets. Set #1)...

find indicated meaure

Tami and Dustin are on opposite sides of the washington monument, which is 555 feet. Tami's angle of elevation to the top of the monument is 38 degrees. Dustin's angle of elevation is 64 degrees....

An air traffic controller is tracking a plane 3.4 miles due north of the radar tower. A second plane is located 2.1 miles from the tower at a heading of 72 degrees north of west. To the nearest tenth...

Find the missing angle of each triangle below. Estimate answer to one decimal place. B x x x A=23 ...

Find the missing angle of each triangle below. Estimate answer to one decimal place. B x ...

Find the missing side of the triangle below. Estimate answer to one decimal place. A b =4 C ...

1) Two planes fly from a point A. The angle between their two flight paths is 42 degrees. one plane has flown 35 miles from point A and the other has flown 20 miles from point A. How far apart...

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

A missile is sent on a bearing of 083. After some time it changes bearing to 125. Sketch the path as two bearings (head to tail) and calculate the measure of the angle between them. Write your answer...

I have a = 65 b = ? c = 50 <A = ? <B = ? <C = 52 Now I understand the b2 = a2 + c2 - 2ac*CosB and the other 2 variants of the formula...

In aerial navigation, directions are given in degrees clockwise from north. Thus, east is 90°, south is 180°, and so on. A plane leaves South Bend for Buffalo, 400 miles away, intending to fly a straight...

Tokyo, Japan and Tehran, Iran, lie on a latitude of 38 47' 00" and longitude of 141 2' 00" East and 52 5' 00" East, respectively. What is the length of the line of constant latitude...

Use the Law of Cosines to find angle B if a=4,b=6, and c=9 (Round to 2 decimals places) I don't know if this answer is right but this is what I did cos B = (6^2 - 4^2...

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