Rachel Lim's answer to chloe's Secondary 3 A Maths Singapore question.

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Rachel Lim
Rachel Lim's answer
2 answers (Tutor Details)
lmk if i got it wrong! and if there are any solutions (full workings) available
lesterine
Lesterine
2 years ago
i think for (b) it’s not just -pi/4 but rather pi-(-pi/4) because it’s in the third quadrant