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junior college 1 | H2 Maths
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Hello! Can i get some help for this question ? Much appreciated, thank you!
Date Posted: 4 years ago
Views: 390
first part use MF26 trigo formula
sinP - sinQ = 2cos1/2(P+Q)sin1/2(P-Q)
where P is n+1, Q is n-1
second part use summation eqn, method of difference
sinP - sinQ = 2cos1/2(P+Q)sin1/2(P-Q)
where P is n+1, Q is n-1
second part use summation eqn, method of difference
Could i get the steps because i still can't seem to get the answer ? :(
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done
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clear
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not sure if I made careless mistakes
Date Posted:
4 years ago
Yep it's correct ! I finally got my mistake corrected . thank you very much !!
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