Question

Evaluate Sin60°.Cos30°+ Sin30°.Cos60° is​

Answer 1

Answer:

Sin60° . Cos30° + Sin30° . Cos60°

$= \frac{ \sqrt{3} }{2} \times \frac{ \sqrt{3} }{2} + \frac{1}{2} \times \frac{1}{2} \\ \\ = \frac{( { \sqrt{3} )}^{2} }{4} + \frac{1}{4} \\ \\ = \frac{3}{4} + \frac{1}{4} \\ \\ = \frac{3 + 1}{4} \\ \\ = \frac{4}{4} \\ \\ = 1$

Note :

Sin60° = √3 / 2

Cos30° = √3 / 2

Sin30° = 1 / 2

Cos60° = 1 / 2

hope it helps uH :)

Answer 2

Answer:

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