Chester's answer to Charles's Secondary 3 A Maths Singapore question.
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Hope this is clear :)
Date Posted:
4 years ago
The radian values look off...
...you probably divided by 180 and forgot to multiply by pi.
...you probably divided by 180 and forgot to multiply by pi.
Ohh yep i forgot!!
Wrong answer
Multiply the final answer by pi. I forgot to do that in my working
Bryan, for your calculations, you can also set your calculator to “radian” mode directly. This avoids the need to set the calculator to “degree” mode and the need to divide by 180 degrees and multiply by pi.
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