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  • Hey Abby, Good to see you again! It's been a while, Thank you for coming, I really need your help!!
  • Please Step right in.
  • Hey Anthony! I am always here for you and glad to help!
  • I have this really hard Precal test and I really want to pass, I have tried to study but I just couldn't. 
  • Don't worry I finished precalculus last year I am pretty sure I can help!
  • Okay, so the topic I am struggling with is Trigonometry, I understood the main concept but I get confused between sine cosine and the tangent.
  • Ahaaa, Trigonometry has always been my favorite, working with triangle sides and angles is really fun and simple!
  • Abby and Anthony are really close friends, They are of the same age and go to the same school, Anthony seems to be struggling in a topic in his Precalculus class and Abby came over to help him with it.
  • I am glad to hear that you like it! So, I understand how to solve, but when I get asked to use sin cos or tan on my calculator, I can't quite figure out which to use.
  • Aha I see, so it's hard for you to memorize which one to use depending on your question. I used to struggle with that too, 
  • It turned out that Anthony has an upcoming test that he couldn't understand. However Abby is a year older than him and she finished studying that subject, thus she will be of great help!
  • Oh, that's great, can you please tell me the shortcut!
  • Sure! I memorize them by the terms SOH CAH TOA. The O represent the opposite side of the angle, the H represent the Hyp
  • However I learned it with a simple shortcut that helped me remember them.
  • Trigonometry is the branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.
  • Sine is the trigonometric function that is equal to the ratio of the side opposite a given angle (in a right-angled triangle) to the hypotenuse.
  • Cosine is the trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse.
  • The tangent of an angle is the length of the opposite side divided by the length of the adjacent side.
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