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# C2 Trigonometry question

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1. Usually the question says to round up your solutions to one decimal place. My question is, am I able to round up the angle to one decimal place initially (when I do the ASTC diagram) or would that affect your answer of solutions?
2. (Original post by ManLike007)
Usually the question says to round up your solutions to one decimal place. My question is, am I able to round up the angle to one decimal place initially (when I do the ASTC diagram) or would that affect your answer of solutions?
It'll probably affect your final solutions, try and use exact/calculator values in your working or at 2/3 decimal places and then only round up at the very end.
3. (Original post by Zacken)
It'll probably affect your final solutions, try and use exact/calculator values in your working or at 2/3 decimal places and then only round up at the very end.
Good point. Alright, really appreciate your help!
4. (Original post by ManLike007)
Usually the question says to round up your solutions to one decimal place. My question is, am I able to round up the angle to one decimal place initially (when I do the ASTC diagram) or would that affect your answer of solutions?
My general rule of thumb is to add four decimal places to whatever number of decimal places it asks for.
5. (Original post by ManLike007)
Good point. Alright, really appreciate your help!
No worries.

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