See Eric Nicholas K's answer to Jona's Secondary 4 A Maths Singapore question

Eric Nicholas K's answer to Jona's Secondary 4 A Maths Singapore question.

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Date Posted: 5 years ago

Comments 3 add a comment

Jona

5 years ago

Can't see the solution. Only can see part of it. Pls help.

Eric Nicholas K

5 years ago

For the first part you will need to use the addition angle formula to solve the equation. For the second part you will need to know your special angles. Will rewrite the answer again since you are unable to view the questions.

Jona

5 years ago

Ok. Got it. Thank you very much.
Can you help me with another question? I am posting now. Thank you.