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C3 trig help!

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Size:  470.5 KB Can anybody help me with 2a please?
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    (Original post by Arse-from-elbow)
    Name:  IMG_0324.JPG
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Size:  470.5 KB Can anybody help me with 2a please?
    Subtract sin\theta from both sides and square, then use identities .

    Or divide through by [tex] cos\theta[\tex]
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    Use the R alpha method as you did before in the previous exercise so that it looks something like this:

    Rcos(θ-α) = 1

    Work out what R and theta are and work from there.
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    Thank you both! 😄
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    (Original post by Arse-from-elbow)
    Thank you both! 😄
    You're welcome.
 
 
 
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