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
Andrew [12]
3 years ago
8

Sinxcosxtanx=1-cos^2x

Mathematics
1 answer:
ycow [4]3 years ago
7 0

Step-by-step explanation:

sin  x \: cos  x \: tanx = 1 -  {cos}^{2} x \\ LHS \\= sin  x \: cos  x \: tanx \\  =sin  x \: cos  x \: \times  \frac{sin  x}{cos  x}  \\  = sin  x \: \times  \frac{sin  x}{1} \\  ={sin}^{2}  x \\  = 1 -  {cos}^{2} x \\  = RHS \\  \therefore \: sin  x \: cos  x \: tanx = 1 -  {cos}^{2} x \\ Hence \: Proved.

You might be interested in
a recipe requires 1/2 cup of milk and 1/3 cup of water. How much more milk is required for tge recipe than water? ​
ycow [4]

Answer:

1/6 cup of milk

Step-by-step explanation:

1/2 (amount of milk)- 1/3 (amount of water)

1/2 = 3/6

1/3 = 2/6

3/6 - 2/6 = 1/6

Hope this helped <3

7 0
3 years ago
What is the size of angle ABC
otez555 [7]
The size of the triangle is 55 degrees.
7 0
3 years ago
Read 2 more answers
Hey can you please help me posted picture of question
fredd [130]
The discriminant can be determined from the number of roots of the graph.

If Disc> 0, the function has two distinct roots
If Disc = 0, the function has a repeated root
If Disc < 0, the function has no real root.

Since the given graph has no real root, i.e. it does not cross x-axis at any point, so we can say that the discriminant of the given function is negative.

So the answer to this question is option C
8 0
3 years ago
Solve for x: |2x 6| − 4 = 20 (1 point) select one:
Irina18 [472]
A. x = 9 and x = 11 is the answer you are looking for

Hope I helped you ^^
4 0
3 years ago
Twice the sum of a number plus 4 is 26. Find the number
telo118 [61]
2(x+4)=26
2x+8=26
2x=14
X=7
8 0
3 years ago
Other questions:
  • Christopher Christopher just found beautiful yarn for 20% off at his favorite yarn store. He can make one scarf from 2/3 of a ba
    9·2 answers
  • 4x-3(x-2)-x<br> I have 6. Is that correct?<br> 4x-3x-x=0<br> And -3*-2=6<br> 0+6=6
    12·1 answer
  • 10 kids are randomly grouped into an A team with five kids and a B team with five kids. Each grouping is equally likely. (a) Wha
    14·2 answers
  • Write the number equal to 5 tens and 13 ones
    5·1 answer
  • The mass of a dust particle is 0.000000000753 kg. How would this number be written in scientific notation?
    10·1 answer
  • the price of the coat was $160. the Price increased by 25%. A month later josie bought the coat at a 25% discount sale. How much
    12·1 answer
  • Find m<br> A. 12<br><br> B. 22 <br><br> C. 52<br><br> D. 38
    8·1 answer
  • Answer this pls asap
    12·2 answers
  • How to find the point slope form with the slope of 3 and the point of -2/6
    6·1 answer
  • The amount of money in an account may increase due to rising stock prices and decrease due to falling stock prices. Marco is stu
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!