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Earn +20 ptsQ: What are trig beacons used for?
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How do you calculate the area of three trig beacons making a triangle?
The trig beacons are basically points on a grid. Let's name these beacons (1), (2), (3). They all have coordinates of the form (x,y). Using the distance formula, √[(x2-x1)2+(y2-y1)2], calculate the distance between (1) and (2) [call it A], (1) and (3) [call this B], (2) and (3) [call it C]. Calculate the semiperimeter, which would be (A+B+C)/2. Call this S. Using Heron's formula, the area of the triangle is √[S(S-A)(S-B)(S-C)].
Where trigonometric used in real life?
If you are in school and are studying trig then you are using trig in real life.
Is the avd algreba or algebra trig is harder?
trig
How do you use cosine?
cosine = adjacent/hypotenuse. It can be used as other trig functions can.
When do we use trig functions?
Trigonometry functions are used to work out the various properties of triangles.
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