O Level Maths

To improve your maths you need to have good mental calculation skills. Click Here to see how!

Challenging O Level Additional Maths (A Maths TKG) Trigonometry questions Q1 Free download Exam papers Thinking process: sin (-A) = - sin A sin (90 - A) = cos A cos (90 - A) = sin A cos (-A) = cos A tan (-A) = - tan A

Challenging O Level Additional Maths (A Maths) Trigonometry questions Q4 with Solutions/Answers (DH) Free download Exam papers Thinking process: When question says 'without using calculator', immediately think of the triangle.

Thinking process: To solve this equation, tan 2x has to be converted to tan x.

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