Question

sin45sin30+cos45cos30​

Answer 1

Answer:

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Answer 2

Answer:

As we know that,

Sin 45= 1/√2

Sin 30= 1/2

cos 45= 1/√2

cps 30= √3/2

Therefore, Putting vale on (sin45sin30+cos45cos30) we have,

=1/√2*1/2+1/√2*√3/2

=1/2√2+√3/2√2

=1+√3/2√2

=1+√3/4