# Solution - Trigonometric Ratios of Some Specific Angles

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ConceptTrigonometric Ratios of Some Specific Angles

#### Question

Find the value of x in each of the following :

(i) tan 3x = sin 45º cos 45º + sin 30º

(ii) cos x = cos 60º cos 30º + sin 60º sin 30º

#### Solution

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