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Which greek letter is used to represent unknown angle to a triangle?
Any letter that you like. And it need not be a Greek letter. In fact, it need not even be a letter.
What does sine theta mean?
Theta is just a Greek letter used to denote measurement of angle. Sine is a trigonometric function, i.e., the ratio of the side opposite to the angle theta to the hypotenuse of the triangle. So Sine theta means the value of sine function for angle theta, where theta is any angle.
Is theta similar to 'x'?
it depends...theta:theta is usually the letter given to any angle in the triangle (the letter theta is from the greek alphabet). usually in trigonometry you would use it when using SOHCAHTOA (sin=opposite/hypotenuse; cos=adjacent/hypotenuse; tan=opposite/adjacent) e.g. the sun is at an angle of 30°. if the shadow's length is 40m, find the length of the flagpole.tan30=h/40tanθ=opp/adj40xtan30=hh=23.09m-'opposite' (opp)is the opposite side from the angle you are trying to find out-'adjacent' (adj)is the side next to the angle you are trying to find out-'hypotenuse' (hyp)is also next to the angle you are trying to find out, but it is also opposite the right angle and it is the longest sidex:'x' is usually used to represent a length (either the base, height or hypotenuse). using SOHCAHTOA it would be either the opposite, adjacent or hypotenuse. using the example above x could substitute hthe difference is that theta is used for the angles and x is for the other measurements(length or distance). i don't think that there similar but thats just me...
What is the symbol of angular velocity?
The lowercase Greek letter "omega" is often used - it looks like a rounded "w". (When this symbol is used, angular velocity is usually specified in radians per second.)The lowercase Greek letter "omega" is often used - it looks like a rounded "w". (When this symbol is used, angular velocity is usually specified in radians per second.)The lowercase Greek letter "omega" is often used - it looks like a rounded "w". (When this symbol is used, angular velocity is usually specified in radians per second.)The lowercase Greek letter "omega" is often used - it looks like a rounded "w". (When this symbol is used, angular velocity is usually specified in radians per second.)
What is used to check a right angle?
a set square
