Math, asked by janedoll, 1 year ago

evaluate
$sin45 sin30 + cos45cos30$
please help me

Answers

Answered by Anonymous

4

sin45 sin30 + cos45 cos30
= (1/√2) (1/2) + (1/√2)(√3/2)
= (1+√3)/2√2

janedoll: wht question

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