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secondary 3 | A Maths
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Wendy
Wendy

secondary 3 chevron_right A Maths

Help asap please thank you so much

Date Posted: 6 years ago
Views: 316

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Leow Jing Yi
Leow Jing Yi's answer
12 answers (Tutor Details)
1st
Wendy
Wendy
6 years ago
Thank you so much again haha!
Wendy
Wendy
6 years ago
Why is it that only tan45 became negative
Leow Jing Yi
Leow Jing Yi
6 years ago
Tan135 is in the second quadrant, where only basic angles of sin would be positive, therefore tan 45 would be negative
Q1-all positive
Q2-only sin positive
Q3-only tan positive
Q4-only cos positive
Wendy
Wendy
6 years ago
Ok thank you! Hey I just posted another question and I need help, if you have the time do you to you could help me?