Megan.thompson.x
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Can anyone please help with this question asap, I have no clue how to do it and have an exam tomorrow.. Attachment 1019439
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mqb2766
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(Original post by Megan.thompson.x)
Can anyone please help with this question asap, I have no clue how to do it and have an exam tomorrow.. Attachment 1019439
Attachment not found. Try uploading again?
Where is the question from and what level is it?
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Megan.thompson.x
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Name:  990EE6D7-33F9-458D-A726-D7522C0C638E.jpg.jpeg
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Size:  22.5 KB
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Megan.thompson.x
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It is a level.. I’m not sure if the attachment has worked now?
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mqb2766
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(Original post by Megan.thompson.x)
It is a level.. I’m not sure if the attachment has worked now?
Can you pls upload a picture of the actual question including part a) and the text for this question part.
What have you tried for this one.
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mqb2766
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As a fairly obvious hint, the question is based around the double angle identities. So either expand the left hand side using the addition and double angle identities or represent the right hand side in terms of double angles then combine. Either way, it should be relatively straightforward.
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Megan.thompson.x
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And I put the question on here because I cannot do it, I’m aware i need to use double angle identities but none of my attempts have worked. Hence I asked for the solution..
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Sspring
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(Original post by Megan.thompson.x)
And I put the question on here because I cannot do it, I’m aware i need to use double angle identities but none of my attempts have worked. Hence I asked for the solution..
I am assuming this is a proof. Not sure if it is completely correct but I thought I’d give it a go. Name:  111897FE-DC47-43CE-B278-50D82936FDAB.jpeg
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Megan.thompson.x
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Thank you so much
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