Vivian Wong's answer to Ladybug's Secondary 4 A Maths question.
done
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Concept of using the trigonometric equations in the formula sheet. (:
Date Posted:
6 years ago
They said without using a calculator...
Actually your answer is correct but dont need to expand until you find the exact answer. Thank you for your help!
The question did said without a calculator but you can always use the calculator to check (: i expanded just for explanatory purposes! No problem!
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