Practice Problems - February - 2009 - XI Portion

Chapter: Elementary Trigonometry

Multiple Answer Multiple Choice

Which of the following statements are correct?

a. sin 1 > sin 1°
b. tan 2 <0
c. tan 1 > tan 2
d. tan 2 < tan 1 <0

See for discussion orkut community topic

http://www.orkut.co.in/Main#CommMsgs.aspx?cmm=39291603&tid=5302403071366110401





Chapter: Solutions of Triangles

If in a triangle ABC, sin A, sin B, and sin C are in arithmetic progression, then

a. the altitudes are in A.P.
b. the altitudes in G.P
c. altitudes are in H.P.
d. the altitudes are equal