1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
madam [21]
3 years ago
13

Find all solutions in the interval [0, 2π). tan x + sec x = 1

Mathematics
1 answer:
svp [43]3 years ago
6 0
Use the identity 
sec^2x = 1 + tan^2 x
- so sec x = sqrt(1 + tan^2 x) then:-
tan x + sqrt( 1 + tan^2 x) = 1
sqrt ( 1 + tan^2 x) = 1 - tan x
1 + tan^2 x  = 1 + tan^2x - 2 tan x
0 = -2 tanx 

tan x = 0 

x =  0, π 
π is an extraneous root because sec 180 = -1 
So the answer  is 0 degrees
You might be interested in
If X = 1.5 cm and Z = 2.5 cm, what is the length of Y?
DedPeter [7]

Answer:

I'm assuming 2

8 0
3 years ago
Find the derivative of y=8ln(sin t+9)
ira [324]
\bf y=8ln[sin(t+9)]\\\\
-----------------------------\\\\
\cfrac{dy}{dx}=8\cdot \cfrac{cos(t+9)\cdot 1}{sin(t+9)}\implies \cfrac{dy}{dx}=8cot(t+9)
6 0
3 years ago
Does anyone know the answer ?, thank you
Mama L [17]

Answer:

It's steepness decreases

Step-by-step explanation:

If you graph both, you can see it's less steep. Sorry I don't know if there's any other faster way.

6 0
3 years ago
Read 2 more answers
The following expression represents the population of colony of penguins in Antarctica: P,= 17.2.3 P, is the penguin population,
nikdorinn [45]
55 hours is your answer
6 0
3 years ago
8th Grade Homework-
ahrayia [7]

Answer:

d option

Step-by-step explanation:

of course it is Charlie as he just walked 11.8 miles

please mark me as brainlist

5 0
2 years ago
Other questions:
  • Use a five-step plan to solve the following word problem. Show all five steps in your response:
    5·1 answer
  • Find the standard deviation, _, for the binomial distribution which has the stated values of n and p. n=38; p=2/5
    15·1 answer
  • Which equation could be used to find the value of x in the triangle below?
    10·1 answer
  • What is the solution to the inequality below?<br> X^2&gt;=81
    15·1 answer
  • Find the solutions to y = –8x for x = 2, 4, and 8.
    6·1 answer
  • A coordinate plane with a straight line. The line starts at (negative 5, negative 1) and continues up and to the right passing t
    13·2 answers
  • Annie was eating Starburst candy. She has eaten 34% red, 1/5 yellow, 3/10 pink, and the rest were orange. What color had the mos
    11·2 answers
  • A painter used 2 1/2 gallons of paint to paint 1/3 of a room. At this same rate, how many gallons will it take to paint the whol
    10·2 answers
  • If you apply the changes below to the absolute value parent function, f (x) = |x|, what is the equation of the new function?
    8·1 answer
  • Please answer My Question.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!