Question

$sin30 \times sin45 +cos 30 \times cos45$
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Answer 1

Step-by-step explanation:

I don't know what is written by you?

Answer 2

Answer:

(1+√3)/2√2

Step-by-step explanation:

sin30xsin45+cos30xcos45

=(1/2)x(1/√2)+(√3/2)x(1/√2)

=(1/2√2)+(√3/2√2)

=(1+√3)/2√2