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secondary 3 | A Maths
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Dunelm
Dunelm

secondary 3 chevron_right A Maths chevron_right Singapore

Is there any way to solve for the method using pencil. Thank You

Date Posted: 2 years ago
Views: 406
Eric Nicholas K
Eric Nicholas K
2 years ago
Third line of the one in pencil is not correct.

The numerator should be 1.

The denominator should be sin A cos A.

Yours has an extra sin A in the numerator out of nowhere.

And recall the identity sin 2A = 2 sin A cos A?

Your answer will come a few lines after this.

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Wang Mang Qin
Wang Mang Qin's answer
3 answers (A Helpful Person)
1st
Late but hope it helps