Question

Cos45° Cos30° + Sin45° Sin 30°

Answer 1

Answer:

1/√2×√3/2+1/√2×1/2

√3/2√2+1/2√2

√3+1/2√2 is the right answer plz mark brialint answer

Answer 2

$\frac{1}{ \sqrt{2} } . \frac{ \sqrt{3} }{2} + \frac{1}{ \sqrt{2} } . \frac{1}{2} \\ \\ \frac{ \sqrt{3} }{2 \sqrt{2} } + \frac{1}{2 \sqrt{2} } \\ \\ \frac{ \sqrt{3} + 1 }{2 \sqrt{2 } }$