Solve the 6th one for me fast .
Attachments:
Answers
Answered by
1
Answer:
Cos24°+cos55°+cos(180-55)+coa(180+24)
=ciz24°+cos55°-cos55°-cos24°=0
6)
Tan7 1/2. tan22 1/2. tan37 1/2
. tan52 1/2. tan67 1/2. tan82 1/2. tan120°
=[tan7 1/2 tan22 1/2 tan37 1/2. Cot 37 1/2.cot22 1/2 Cot7 1/2.(-v3)
=-v3
Similar questions