Question 34

The value of the expression tan  cos  is 2 5

• (A)2+ 5
• (B)5–2 5+2
• (C)
• (D)5+ 2  θ 1– cos θ   Hint :tan =   2 1 + cos θ   2x  If | x | ≤ 1, then 2 tan–1 x + sin–1   1 + x 2 