C3 January 2012 Question 8
Maths and statistics discussion, revision, exam and homework help.
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Re: C3 January 2012 Question 8Well to start with - can you think how you would write tan(x) in terms of sin(x) and cos(x)? How might you express tan(A+B) in terms of sin(A+B) and cos(A+B), then?(Original post by fabnt)
I don't understand how to do this question at all. Could someone please help me out? -
Re: C3 January 2012 Question 8(Original post by fabnt)
I don't understand how to do this question at all. Could someone please help me out?
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Then try to figure out that by which thing you can divide the numerator and denominator by to get the required form.