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!
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Trigonometry is easier than you think. You just have to remember the rules in this order: TOA-CAH-SOH
TOA:
tan = Opposite / Adjacent
CAH:
cos = Adjacent / Hypothenuse
SOH:
sin = Opposite / Hypothenuse
And you have to remember what the Opposite, Adjacent and Hypothenuse of a triangle relative to the given angles are. Keep sounding the rule in your head and you'll beat trig for sure. (Also a tip, 70% of the time in math questions it's the tangent that matters, and about 20% of the time it's Sine. If you really can't figure it out think of it like this, but definitely don't use this as your first method.)
That depends on your profession. If you are a math teacher, then you might use a lot of Trig. If you are an engineer, working with forces on any object from different directions, then you would use trig. Electrical engineers use trig. Surveyors use trig.
Trig
90 degrees is one
Trig ratios or to give them their proper name are trigonometrical rations applicable to right angle triangles and they are tangent ratio, sine ratio and cosine ratio.
current ratio = current assets / current liablities A ratio (in trig) is simply the division of two lengths. A tangent (in trig) is the ratio of the opposite and adjacent legs.