Register
Verify: sec^2x+tan^2x=2sec^2x-1
139k views
19 votes
Verify: sec^2x+tan^2x=2sec^2x-1

User Costa Zachariou
by
8.2k points

1 Answer

2 votes

Answer:

see explanation

Explanation:

Using the identity

tan²x = sec²x - 1

Consider left side

sec²x + tan²x

= sec²x + sec²x - 1

= 2sec²x - 1

= right side , thus verified

User Gayan Dasanayake
by
8.7k points
← Prev Question Next Question →

Related questions

User Ivan Kozik
asked May 11, 2018 76.3k views
Verify the identity. cos(x)/(1+sin(x))+(1+sin(x))/cos(x)=2sec(x)
Ivan Kozik asked May 11, 2018
by Ivan Kozik
7.4k points
1 answer
2 votes
76.3k views
User Zahid Rouf
asked Aug 6, 2018 46.0k views
Verify the identity cosx/1+sinx + 1+sin/cosx = 2sec x
Zahid Rouf asked Aug 6, 2018
by Zahid Rouf
8.8k points
1 answer
1 vote
46.0k views
User NoSense
asked Nov 7, 2020 45.5k views
Find all solutions of each equation on the interval 0 ≤ x < 2π. tan^2 x sec^2 x + 2sec^2 x - tan^2 x = 2
NoSense asked Nov 7, 2020
by NoSense
7.9k points
2 answers
3 votes
45.5k 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 =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
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.
Link Copied!