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What are the formulas for law of sines and law of cosines?
sine: sin(A) sin(B) sin(C) cosines: a2=b2+c2-2bc cos(A).........----- = ----- = ------........,,,.a .......b........ ca is side BC A is angle A sin(A) means sine of angle Apsst, theres a law of tangents too, but its so complicated that im not gonna post it hereLaw of sine -A B C------ = ------ = ------Sin(a) Sin(b) Sin(c)
Does acoustics use trigonometry?
Yes, because all sound waves can be modelled as sine (or cosine) waves, or combinations of sine waves.
What is the sine of 40 degrees?
sine 40° = 0.642788
What is the sine of 75 degrees?
The sine of 75 degrees is about 0.9659
How do you pronounce nulla poena sine lege?
The pronunciation of "nulla poena sine lege" is as follows: Noo-la pweh-na see-neh leh-geh Note: The pronunciation is given in an approximate manner using English phonetics. It may vary slightly depending on regional accents and pronunciation norms.
What is snell's law for angles and velocities and wavelengths?
The Sine of incidents ---------------------------- The sine of refraction
What careers use the law of sine and cosine?
mechanical engineers, land surveyors, math teachers, and registered nurses.
Damnum sine injuria?
What is Damnum sine injuria means in the Law of Torts? Give anexample of it in details.
When to use sin and cos.?
The sine and cosine were originally developed for use in surveying. They provided a way to measure the distance across lakes and around mountains. Soon they were found to be useful in navigation. The sine was used to calculate pi. When electrical measurements were made, the sine law was used. If you want to know when to use the sine and when to use the cosine, you will need to get a trig book, a physics book, an astronomy book, a sailing book, and a few other books and read them all.
When would you use the law of sines or law of cosines instead of a trigonometric ratio?
Trigonometric ratios, by themselves, can only be used for right angled triangles. The law of cosines or the sine law can be used for any triangle.
Can the sine law be used with a acute triangle?
Yes.
Is sine law applicable in acute triangle?
Yes
How do you find two missing sides of a right triangle?
If you have all three angles, you can use the law of sines, which states that the ratio of the sine of one angle is to it's opposite side as the sine of another angle is to it's opposite side.
What are real life applications of the law of sines?
Land surveying makes an extensive use of the sine and cosine law. The idea is to subdivide the land into many triangles and to measure one side and two angels of each triangle. With the sine law the other two sides can be computed. The Mount Everest was found by this method to be the highest mountain on planet earth.
Do light ways always bent to the normal when changing mediums?
No. Light follows the law of sines, Sine( I)/vi = Sine( T)/vt
What ratio do you use to find the sine of an angle in a right triangle?
Sine ratio = opposite/hypotenuse
What property allows you break a multiplication problem into partial problems?
The sine law.
