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September 22, 2025, 02:53:24 am
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TyErd

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exam 1
« on: September 23, 2010, 10:18:47 am »
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Do we need to memorise the compound angle formula's?
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sajib_mostofa

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Re: exam 1
« Reply #1 on: September 23, 2010, 10:23:57 am »
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For methods, they don't test you on the compound angle formula's. It isn't part of the syllabus.
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naved_s9994

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Re: exam 1
« Reply #2 on: September 23, 2010, 10:26:42 am »
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Quote from: sajib_mostofa on September 23, 2010, 10:23:57 am
For methods, they don't test you on the compound angle formula's. It isn't part of the syllabus.

Its funny though since its in the textbook.  Textbook: Essential
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itolduso

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Re: exam 1
« Reply #3 on: September 23, 2010, 10:32:35 am »
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Quote from: sajib_mostofa on September 23, 2010, 10:23:57 am
For methods, they don't test you on the compound angle formula's. It isn't part of the syllabus.

refer to the study design
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TyErd

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Re: exam 1
« Reply #4 on: September 23, 2010, 10:53:21 am »
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it says "recognition of equivalent forms using compound and double angle formulas for sine, cosine and tangent" in the study design. But doesn't state if its in exam 1 or not...
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akira88

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Re: exam 1
« Reply #5 on: September 23, 2010, 10:59:04 am »
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Yeah it's also in the Heinemann textbook. Will check the study design.
http://www.vcaa.vic.edu.au/vce/studies/mathematics/mathsstd.pdf
Argh you have to sift through all the pages to find it, but since I'm nice I'll tell you it starts on page 127 :)
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akira88

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Re: exam 1
« Reply #6 on: September 23, 2010, 11:02:02 am »
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Quote from: TyErd on September 23, 2010, 10:53:21 am
it says "recognition of equivalent forms using compound and double angle formulas for sine, cosine and tangent" in the study design. But doesn't state if its in exam 1 or not...
And it also says "compound angles for sine, cosine and tangent".
Are you people trying to sabotage us? It's clearly in the study design.
....
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TyErd

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Re: exam 1
« Reply #7 on: September 23, 2010, 11:06:41 am »
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yeah i know its in the study design, question is do we need to memorise it for exam 1, there so long...
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98.40_for_sure

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Re: exam 1
« Reply #8 on: September 23, 2010, 11:11:10 am »
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There's... not that many? like 2?
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TyErd

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Re: exam 1
« Reply #9 on: September 23, 2010, 11:15:36 am »
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there's 6 compound angle formulas and 3 double angle
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akira88

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Re: exam 1
« Reply #10 on: September 23, 2010, 11:23:44 am »
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Quote from: TyErd on September 23, 2010, 11:06:41 am
yeah i know its in the study design, question is do we need to memorise it for exam 1, there so long...
Lol I wasn't addressing you, I was addressing the people above who said "For methods, they don't test you on the compound angle formula's. It isn't part of the syllabus."
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98.40_for_sure

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Re: exam 1
« Reply #11 on: September 23, 2010, 11:25:28 am »
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Shouldn't you be able to recognise them when you see them? No point in memorising, they should be second nature
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8039

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Re: exam 1
« Reply #12 on: September 23, 2010, 12:05:56 pm »
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My teacher told me it's more for specialist math and not to dwell too much into it.
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andy456

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Re: exam 1
« Reply #13 on: September 23, 2010, 12:06:58 pm »
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I don't even know what they are??
Can someone explain
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8039

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Re: exam 1
« Reply #14 on: September 23, 2010, 12:26:17 pm »
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Quote from: andy456 on September 23, 2010, 12:06:58 pm
I don't even know what they are??
Can someone explain

From what I understand it's using the distance formula to find the distance between a point on one triangle on the circular function to another point on another triangle i.e point (sin, cos) to point (-sin, cos) taking into account that both triangles have different angles i.e beta and theta
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