Kahwai's answer to Tricia Chew's Secondary 3 A Maths Singapore question.
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Make all to sine and cosine
Can?
SinX is zero
3/cos^2(x) is 2 solve with calculator
Remember x^2-1 is x= +/-1
Can?
SinX is zero
3/cos^2(x) is 2 solve with calculator
Remember x^2-1 is x= +/-1
Date Posted:
3 years ago
Thanks! I got the answer!
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