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secondary 4 | A Maths
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Ladybug
Ladybug

secondary 4 chevron_right A Maths

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Date Posted: 6 years ago
Views: 247

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Vivian Wong
Vivian Wong's answer
11 answers (A Helpful Person)
1st
Concept of using the trigonometric equations in the formula sheet. (:
Ladybug
Ladybug
6 years ago
They said without using a calculator...
Ladybug
Ladybug
6 years ago
Actually your answer is correct but dont need to expand until you find the exact answer. Thank you for your help!
Vivian Wong
Vivian Wong
6 years ago
The question did said without a calculator but you can always use the calculator to check (: i expanded just for explanatory purposes! No problem!
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Kim Lan Wong
Kim Lan Wong's answer
5 answers (Tutor Details)
Answer to tan x = 1/3
Ladybug
Ladybug
6 years ago
Answer is actually 1/2
Kim Lan Wong
Kim Lan Wong
6 years ago
Yes. Careless mistakes.
Kim Lan Wong
Kim Lan Wong
6 years ago
Cos 2x = 3/5
I put it as cos 2x = 4/5
Careless.
Tanx = 1/2
Ladybug
Ladybug
6 years ago
Oh okay thank you!
Kim Lan Wong
Kim Lan Wong
6 years ago
Most welcomed. I am new to the mobile software and to upload the answer. W As trying to upload the revised solution. But I takes me quite a bit of time. :)
Ladybug
Ladybug
6 years ago
Hahah thank you so much!