Question

please answer this question ​

Answer 1

Answer:

sin60°=√3/2

cos45°=1/√2

sin²60°+cos²45°

=(√3/2)²+(1/√2)²

=3/4+1/2

=5/4

Hope it helps you

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Answer 2

Answer:

5/4

Step-by-step explanation:

sin60° =root 3/2 and cos 45° = 1/root 2 so that sin^2 60° =( root 3/2 )^2 = 3/4

cos^2 45°= (1/root 2)^2 =1/2

after adding these two we get 3/4+1/2= 5/4