Challenging O Level Additional Maths (A Maths) Trigonometry questions Q4 with Solutions/Answers (DH) Free download Exam papers
Challenging O Level Additional Maths (A Maths) Trigonometry questions Q4 with Solutions/Answers (DH) Free download Exam papers
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikOiA4YrThY7gAT-YsiY2XOOBfaUSxd7KFs6YwyE233NYFjxpzg02I_rLeZRWtsEUswTpBD-82dOw_VnsA9cOj7Wq1DswQ5-csklZH0ppTRuOI8KOUV5BabDBuAzqyFIpcUWeu_Goat86d/s400/2008_Duman_High_A_Maths_Page_2-q4-trigo-with-solution.jpg)
Thinking process:
When question says 'without using calculator', immediately think of the triangle.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikOiA4YrThY7gAT-YsiY2XOOBfaUSxd7KFs6YwyE233NYFjxpzg02I_rLeZRWtsEUswTpBD-82dOw_VnsA9cOj7Wq1DswQ5-csklZH0ppTRuOI8KOUV5BabDBuAzqyFIpcUWeu_Goat86d/s400/2008_Duman_High_A_Maths_Page_2-q4-trigo-with-solution.jpg)
Thinking process:
When question says 'without using calculator', immediately think of the triangle.
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