Register

Prove, cotx -tanx= 2 cot2x

Prove, cotx -tanx= 2 cot2x
asked 160k views
0 votes
Prove, cotx -tanx= 2 cot2x

asked
User Gogagubi
by
7.9k points

1 Answer

0 votes

Explanation:

cotx- tanx= 2cot2x

L.H.S

cosx/sinx- sinx/cosx

(cos²x- sin²x)/ sinxcosx

[ cos²x-(1-cos²x)]/sinxcosx

( 2cos²x-1)/sinxcosx

2cosx/ 2sinxcosx

2cot2x

answered
User Andrepm
by
7.9k points
← Prev Question Next Question →

Related questions

User Jad
asked Jun 25, 2019 89.5k views
Limit of cot2x/cotx as X approaches 0?
Jad asked Jun 25, 2019
by Jad
7.6k points
1 answer
0 votes
89.5k views
User Coolprarun
asked Feb 2, 2023 67.0k views
The expression sinx (cosx cotx- sinx) simplifies to ____? A. cos(2x) B. 1 C. cot2x - sin2x
Coolprarun asked Feb 2, 2023
by Coolprarun
7.9k points
1 answer
22 votes
67.0k views
Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!