Register
If 2tanx/1-tan^2x=1, then x can equal
174k views
1 vote
If 2tanx/1-tan^2x=1, then x can equal

User Kelan
by
8.3k points

2 Answers

2 votes
Hello,

tan 2x=1
==>2x=(π/4+kπ)/2
==>x=π/8+kπ/2 (k integer)


User Ginu Jacob
by
9.1k points
2 votes
tan 2x = 2 tan x / (1-tan^2x)

hence, tan 2x = 1
2x = pi
x = pi/2.
User Brentlance
by
7.5k points
← Prev Question Next Question →

Related questions

User Zaxonov
asked Aug 4, 2024 82.4k views
Use the t-formulas to prove the following: tan(1/2 x + pi/4) + tan(1/2 x - pi/4) = 2tanx
Zaxonov asked Aug 4, 2024
by Zaxonov
8.4k points
1 answer
3 votes
82.4k views
User Jakebman
asked Sep 27, 2024 68.5k views
Tan (x+pi) - tan (pi- x)= 2tanx
Jakebman asked Sep 27, 2024
by Jakebman
8.3k points
1 answer
0 votes
68.5k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!