sin² 30 + cos² 60 *
1 point
1
½
⅔
¾
Answers
Answered by
2
Answer:
sin30⁰=1/2=cos60⁰
(1/2)²+(1/2)²=1/4+1/4
=2/4
=1/2
Answered by
0
Answer:
sin²30+cos²60
(1/2)²+(2/√3)²
1/4+4/3
1+3/4
4/4
=1
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