Tham KY's answer to Regina's Junior College 1 H2 Maths question.
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For your reference...
Date Posted:
6 years ago
I do not understand the 3rd step..
The one in red words!
Are you able to get the final answer in exact integers? Without any rounding...
I can get -239 but idk how did u get j28560
If you could get the cos term, you should be able to get the sin term... Just change cos to sin...
Did you remember to times 13^4 to the sin term?
Oh yes i got the answer
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