Question

sin60 cos45 + cos60 sin45
​

Answer 1

Answer:

9/4

Step-by-step explanation:

√3/2×√3/2+1/√2×1/√2

3/4+1/2=

3+6/4=9/4

Answer 2

Answer:

$\sin(60) \cos(45) + \cos(60) \sin(45) \\ \\ = \frac{ \sqrt{3} }{2} \times \frac{1} { \sqrt{2} } + \frac{1}{2} \times \frac{1}{ \sqrt{2} } \\ \\ = \frac{ \sqrt{3} }{2 \sqrt{2} } + \frac{1}{2 \sqrt{2} } \\ \\ = \frac{ \sqrt{3} + 1 }{2 \sqrt{2} }$

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