Using the Sine Formula (the SOH formula) - part 1

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Uploaded by on May 12, 2007

This is part 1 of a video that teaches how to use the SOH formula in high school Trigonometry. For Exercise and Answer sheets, go to:
http://www.thefreemathtutor.com

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Uploader Comments (dougsimmsonline)

  • i have a problem with finding the sine value. i have TI-83 calc and when i put in sin(56) it keeps on telling me the value is -.5215510021. i need help with this or am i right???

  • @MrUndacovabrova

    Your calculator is in rad mode. Press the DRG (degree-radian-gradient) button until it is in deg mode, and then try again.

    Doug

  • hey how do you know what ratio to use when you are only given one side and the degree of one of the angles and also how do you use the value of the angle to find out the measurement of one of the other sides

  • The SOH memory key helps you decide. If you know the side Opposite the given angle, you can find the Hypoteneuse; if you know the Hypoteneuse you can find the Opposite.

Top Comments

  • Thank you <3

  • Now this !!!! is a video Ladies and Gents Cheers Mate !!

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  • Geez, it took my teacher 4 classes of 1hr20min to tell us about the Sin Cos and Tan ratios are and no one in the class understood it, you're video taugh me how to do it in about 3 minutes before it clicked. Thank you for saving me on my final!

  • Amazing!! Now this is how a great teacher should teach! Thank you so much!

  • Thank you !!!!!!!!!!!

  • pls teach me when will i know I'll use the Sine and Cosine ??Why you use the SOH in this Problem?

  • I get the final answer of 11.4342

    Where did I go wrong?

  • This guy is beast man!!!

  • um. I need help please? :(

    How will I know if I'll use the sine or cosine law? :(

  • How do you find Sine of X with no Calcu? Example. Sin 26 ?

  • Thank you so much. I could not figure out what I had done wrong. Again thank you

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