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
Digiron [165]
2 years ago
13

Solve 2tan(x)cos^2(x)=1 algebraically

Mathematics
1 answer:
deff fn [24]2 years ago
7 0
X= pi/4 +k(pi)
(This may not be correct sorry)
You might be interested in
"I am 3 times as old as Sue is," Frank said to Ann. "On the other hand, I am 15 years older than John while Sue is 1 year younge
ahrayia [7]

Frank = F

Sue = S

John = J

F=3*S

F = J+15

S = J-1

If you want to find Frank's age, then his age would be equivalent to John's plus 15 years.

A.-Would not work because Frank is three times Sue's age, not John's (left hand side of the equation).

B.-Notice that the right hand side of the equation is equivalent to Sue's age, which we know is John-1, however it is currently written to be "three times Sue's age minus one" which would give us John's age, plus two more years than his actual age on the left hand side.

C.-Frank's age is equal to John's plus fifteen (right side of the equation) and Frank is equal to Sue's age times 3. But, if Sue is in terms of Johns, then Sue's age is John's minus one. Therefore, Frank's age is equal to three times Sue's age of John minus one, which is the left-hand side of our equation.


Therefore C is the answer. C:

6 0
3 years ago
Read 2 more answers
-5x=25 how to solve this problem ​
Sidana [21]
X = -5

The goal of this problem is to solve for x.

To solve x in this problem you need to find a way to get it by itself on the left side, the way to do this is divide -5x by -5.

You then also have to do the same for the right side. This gives you -5.
6 0
3 years ago
Which rational number equals 0.5 ?
pshichka [43]
1/2 is equal to 0.5.

3 0
3 years ago
The price of a stock dropped 20% in one month the following month it’s price increased by 20% is the stock above or below it’s s
MArishka [77]
The price of the stock is below its starting price because the price will decrease before it increases
5 0
4 years ago
HELP ME PLEASE AND EXPLAIN IT TOO! 28 Points!!!!!!!!!!
SIZIF [17.4K]
X=4
First find the solution to (x+1) ft. I chose to guess the answer as 4 and it worked (you’ll have to guess). I then plugged 4 into the other equation 2x. It became 2•4. Solving give the side length of 8 ft. Then you have to check to make sure they both have the same area. To do this just solve the equations.
First rectangle- 4•4= 16 ft area
Second rectangle- 2•8 = 16 ft area
( I’m really sorry if this is confusing)
4 0
4 years ago
Other questions:
  • Read the following statements:
    5·2 answers
  • 2x^2−10xy+3xy−15y^2<br><br> factor by grouping
    6·2 answers
  • Please what are plane shapes
    9·2 answers
  • Jarek buys jerseys for his team online. He pays a constant shipping price plus a special rate for each jersey. During the spring
    13·1 answer
  • Q1 How many whole numbers less than 1000 can be written as a product of 3 consecutive whole numbers?
    5·1 answer
  • Work out the percentage change when a price of £400 is decreased to £225
    6·2 answers
  • Evaluate 11/12*12/121- -6/5*70/60
    15·1 answer
  • HELP PLZ IM BEING TIMED
    14·1 answer
  • Please help me with this question!
    10·1 answer
  • A room is three times as long as it is broad and it's height s 4.5 m. if the cost of carpeting its floor at rs 240 per m square
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!