put a '1' under the sine/cos/tan cross multiply(top left by bottom right = top right by bottom left) make the 'unknown' the subject of the equation Example #1 Example #2 Example #3 back to top
You would deal with other ratios in a similar way. This 11-plus Maths quiz is our easiest of the two on ratios. Give it a go and don't move on until you've got all ten questions correct. You might find having some paper and a pencil a handy addition. That way, you can write o...
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in Key Stage 2: Maths is Easy - Ratio, Proportion and Algebra is the easiest way for your child to master Ratio, Proportion and Algebra questions. This child-... S Marilyn 被引量: 0发表: 2015年 A Mathematical Perspective of Ratio and Proportion In fact, many sections of the elementary ...