Exercise problems IX — task. Mathematics CBSE, Class 10.

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In triangle

$ABC$ , right-angled at

$B$ , if

$tan \ A = \frac{1}{\sqrt{3}}$ , find the value of:

(i)

$sin \ A \ cos \ C + cos \ A \ sin \ C =$

(ii)

$cos \ A \ cos \ C - sin \ A \ sin \ C =$

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