Question

Q.14 Evaluate : sin 60 cos 30 + sin 30
COS 60​

Answer 1

Answer:

Your answer can be written as sin30 (or) cos 60 (or) 1/2

Answer 2

Answer:

Step-by-step explanation:

sin 60 = $\sqrt[]{3}$

sin 30 = $\frac{1}{2}$

cos 30 = $\sqrt[]{3}$

cos 60 = $\frac{1}{2}$

sin 60 . cos 30 + sin 30 . cos 60

= $\sqrt{3}$ * $\sqrt{3}$ + $\frac{1}{2} * \frac{1}{2}$

= 3 + $\frac{1}{4}$

= $\frac{12 + 1}{4}$

=  $\frac{13}{4}$

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