Question

sin30° sin45°
X-
cos45° cos30°​

Answer 1

Answer:

Answer:(√3 +1) /2√2

Step-by-step explanation:

the value of cos 45° cos 30° + sin 45° sin 30°

⇒\begin{gathered}\frac{1}{\sqrt{2}}*\frac{\sqrt{3}}{2}+\frac{1}{\sqrt{2}}*\frac{1}{2}\\\\\frac{1}{\sqrt{2}}(\frac{\sqrt{3}+1}{2})\\\\\frac{\sqrt{3}+1}{2\sqrt{2}}\end{gathered}21∗23+21∗2121(23+1)223+1