Question

the value of
${sin}^{2} 30 + {sin}^{2} 45 + {sin}^{2} 60 =$
​

Answer 1

Step-by-step explanation:

i hope this will helf you

Answer 2

Answer:

sin30 = 1/2

sin²30 = 1/4

sin45 = 1/root2

sin²45 = 1/2

sin60 = root3/2

sin²60 = 3/4

1/4 + 1/2 + 3/4 = 6/4

= 3/2