Question 12. Find the value of cos²45°+sin²60°+sin²30°.
Answers
Answered by
2
Answer:
3/2
Step-by-step explanation:
cos² 45° + sin² 60° + sin² 30°
= (1/√2)² +(√3/2)² + (1/2)²
= 1/2 + 3/4 + 1/4
= 1/2 + (3+1)/4
= 1/2 + 4/4
= 1/2 + 1
= (1+2)/2
= 3/2
Answered by
0
Answer:
Find the value of Cos²45
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