Saved Bookmarks
| 1. |
12, then show thatIf tan +tan e= 2.1tan20 +tan20 |
|
Answer» ong>Answer: Step-by-step explanation: Given TAN20 ∘ =λ ∘ =tan2(20 ∘ )= 1−TAN 20 ∘
2tan20 ∘
= 1−λ 2
2λ
LHS= 1+tan160 ∘ tan110 ∘
tan160 ∘ −tan110 ∘
=tan(160 ∘ −110 ∘ )=tan50 ∘ =tan(90 ∘ −40 ∘ )=cot40 ∘ = tan40 ∘
1 = 2λ 1−λ 2
=RHS |
|