how to do quest 2a? thanks

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secondary 3 | A Maths
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secondary 3 A Maths

how to do quest 2a? thanks

Date Posted: 6 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

observe that RHS does not have double angles, so it's a hint to replace the double angles

Date Posted: 6 years ago

Jane

6 years ago

thanks

Jane

6 years ago

thanks