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
Brut [27]
2 years ago
7

Please prove the following trigonometric identity.​

Mathematics
1 answer:
Brums [2.3K]2 years ago
3 0

Step-by-step explanation:

solution:- from LHS 1-cos²x/sinx

∵ 1-cos²x = sin²x

∴ sin²x /sinx = sinx

from RHS tanx × cosx

∵tanx = sinx×cosx

∴ sinx/ cosx × cosx = sinx

Since, LHS = RHS proved ___

You might be interested in
There are 22 students in your class. Your teacher is going to choose 2 students at random for a prize. What is the probability t
Brums [2.3K]

Answer:

C)  1 / 462

Step-by-step explanation:

22 x 21 = 462

6 0
3 years ago
Solve the following equation<br> 3x + 5 / 2 X + 7 = 5 <br>pls pls pls need ans. for this question ​
KiRa [710]

Answer:

-30/7 = x

Step-by-step explanation:

im guessing u mean (3x+5)/(2x+7) = 5

3x+5 = 5(2x+7)

3x+5=10x+35

-7x=30

x=  -30/7

8 0
3 years ago
Use rounding to estimate 2.57 +0.14
marin [14]
2.57=3
+0.14=0
———
2.71=3

3 0
3 years ago
Read 2 more answers
What are the coordinates of the focus of the parabola shown below?
soldi70 [24.7K]
The coordinates are (-4,0),(0,-1)
8 0
3 years ago
How do you solve <br> 1-cos2x/cosx •cscx=tanx
astra-53 [7]
(1-cos^2x/cosx)*cosecx
(sin^2x/cosx)*sinx   (where 1-cos^2x=sin^2x) and 1/cscx=sinx

sinx/cosx=tanx(divide by sinx)
hence proved
6 0
3 years ago
Other questions:
  • Jeremy collected nickels for 1 week. He is making stacks of his nickels to determine how many he has. The thickness of 1 nickel
    11·1 answer
  • Kacey has 88 beads. She uses 24 beads to make a bracelet. How many bracelets can she make?
    9·1 answer
  • In a survey of 1118 U.S. adults conducted in 2012 by the Financial Industry Regulatory Authority, 810 said they always pay their
    12·1 answer
  • Find the missing number ___:7 = 12:21a.14b.12c.4d.3
    12·1 answer
  • First, use the "completing the square" process to write this equation in the form (x + D)² = E. x² - 8 x + 12 = 0 is equivalent
    11·1 answer
  • Po -<br> - -<br> What does this equal I’m failing and need help
    11·2 answers
  • Bob flipped a coin and got “heads” 9 times in a row! What is the probability that’s the next flip will be a “head”?
    13·1 answer
  • -3x+2y=11<br> 3x-4y=-19
    15·1 answer
  • I need help with this what do i do
    14·2 answers
  • What is the distance between the points (-1, 7) and (5, 7) in the coordinate plane?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!