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Math Help - Find the 5 other Trigonometric Function Values

  1. #1
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    Find the 5 other Trigonometric Function Values

    Hey guys, i'm new here and i am in desperate need of assistance with my Trig class.

    I am in college taking 2 math's Calculus and Trig, and my Calc, teacher is great. However, my Trig teacher sucks. She rushes along, doesn't stop to explain anything. Trig is pretty much a review for me, but i'm at a point where i have no idea what todo, so if anyone can assist me, that would be awesome. Thank you.


    Problem: Assume the angle is an acute angle

    Given that Cos angle = 0.7, find the other 5 trigonometric function values for angle.

    I am not looking for just the answer. I am looking for a detailed step by step of the process used to solve.

    Thanks in advanced!
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  2. #2
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    Re: Find the 5 other Trigonometric Function Values

    I don't really know what you're asking, but try this.

    You have \displaystyle \cos \theta = \frac{0.7}{1} so 0.7 and 1 are the adjacent and hypotenuse sides of a right angle triangle. What would the other side be? Once found you can put \theta in terms of sin and tan.
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  3. #3
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    Re: Find the 5 other Trigonometric Function Values

    hey thanks for replying...but i'm a little confused still...so how would i find the other sides?

    if Cos 0 = 0.7/ 1 and thats the adj. and hyp. sides...what is the opposite side?
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  4. #4
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    Re: Find the 5 other Trigonometric Function Values

    Well the opposite side x would be found by solving 1^2 = 0.7^2+x^2

    do you know why?
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