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    How do I do this without testing all of them? I know you have to use the cosine rule but it would take a lot of time testing all of them so what other methods could you use?
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    You only have to find 2 angles and you get the third angle for free (angles sum to 180 degrees).
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    (Original post by B_9710)
    You only have to find 2 angles and you get the third angle for free (angles sum to 180 degrees).
    Yeah I was just wondering if there was a quicker way but thanks anyway. I guess that's why it is 5 marks.
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    (Original post by MainlyMathsHelp)
    Yeah I was just wondering if there was a quicker way but thanks anyway. I guess that's why it is 5 marks.
    Yeah, it's just plugging the numbers in. No tricks or anything that I can see here.
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    Hello, friends! Is there anybody competent in Trigonometry?
    Here is my assignment:
    In triangle XYZ,
    XY= 16 cm
    YZ= 11 cm
    <Z = 90 degrees
    Solve for XYZ
    Help me, guys! I'm seriously considering using the help of https://assignment.essayshark.com/ service, if there is noone able to help me out!
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    (Original post by jessback)
    Hello, friends! Is there anybody competent in Trigonometry?
    Here is my assignment:
    In triangle XYZ,
    XY= 16 cm
    YZ= 11 cm
    <Z = 90 degrees
    Solve for XYZ
    Help me, guys! I'm seriously considering using the help of https://assignment.essayshark.com/ service, if there is noone able to help me out!
    What do you mean by solve for XYZ?
 
 
 
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