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Is there any key to learn formulae of trigonometry?
SOH KAH TOA
What is socahtoa?
SOH CAH TOA is a way of remembering what the functions sin, cos, & tan mean in a right angle triangle. With a triangle with one of the acute angles labelled (theta) the longest side H (Hypotenuse), the side opposite the labelled angle O, and the short side closest to the angle A (Adjacent) SOH ->SIN(Theta)=0/H CAH ->COS(Theta)=A/H TOA ->TAN(Theta)=O/A
Is trig hard?
Once you REALLY understand the basic definitions and relationships in Trig (Trigonometry) it is not hard. BUT, the most critical time when taking Trig, in my opinion, is right at the beginning, when the teacher is setting up the "ground rules" for the way things are hung together. If you really dig in at the beginning, you can beat it. Some students initially have problems trying to visualize the problems, but when you learn to break things down in smaller, simpler chunks you've got it beat. Good Luck & Pay Attention & ASK QUESTIONS!
How do you find the angle measurements of a triangle if you have all the side lengths- which SOH CAH TOA do i use?
with all the sides, you could use any, use SOH :( sin of angle = opposite / hypotonuse)assuming its a right angle triangle, then select either of the (non right angle) angles, divide the length of the side opposite this angle by the length of the hypotonuse ( longest side, opposite the right angle), then find the inverse SIN of this number on your calculator, this is the angle. Since total internal angles always = 180 degrees, and right angle = 90 degrees then final angle is calculated angle subtracted from 90 degrees.
What is .8660 in trigonometry?
It is a number - in trigonometry or elsewhere.
