1-tan? 30°
2
1 +tan? 30°
Attachments:
Answers
Answered by
0
Answer:
1-tan^2 30° / 1+tan^2 30°
1-(1/√3)^2. (tan30°=1/√3)
1+(1/√3)^2
1-1/3
1+1/3
3-1/3
3+1/3
2/3
4/3
2/4
= 1/2 answer
hope it will help you!
Similar questions