Register
Very confused on this, could someone please help? I’m currently in pre calculus if that helps!
26.9k views
21 votes
Very confused on this, could someone please help? I’m currently in pre calculus if that helps!

Very confused on this, could someone please help? I’m currently in pre calculus if-example-1
User Martin Hollingsworth
by
7.5k points

1 Answer

1 vote

  • tan x<0 lies in second quadrant

sec x =3/4

  • cosX=1/secx=4/3


\\ \tt\Rrightarrow sin x=√(1-(4/3)^2)=√(1-16/9)=√(-7/9)=√7/3i[/tex]

Now

  • tanx=(√7/3i)(4/3)=√7/4i
User DrLazer
by
6.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.5m questions

10.1m 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!