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
Leni [432]
3 years ago
5

The expression sinx + cotx cosx can be simplified to___. A. cotx B. cscx C. cosx sinx D. secx

Mathematics
2 answers:
Sav [38]3 years ago
7 0
\sin x+\cot x\cos x=\sin x+\dfrac{\cos x}{\sin x}\cos x=\dfrac1{\sin x}(\sin^2x+\cos^2x)=\csc x
gregori [183]3 years ago
7 0

Answer:

Solution-

∵ cotx = (cosx÷sinx)

∴ The given expression can be written as

sinx + cotx·cosx = sinx + ( cosx÷ sinx).cosx

⇒sinx +(cosx)²÷sinx = [ (sinx)² + (cosx)²] ÷ sinx

⇒ 1÷ sinx = cosecx = cscx

using the identity (sinx)²+(cosx)²=1

∴ option B is correct.


You might be interested in
( PLEASE HELP ) <br><br> What is the solution to the inequality below?
Lunna [17]

Answer:

Step-by-step explanation:

You are to take the square root across the inequality sign to make it plus or minus 3 squared.

The answer will therefore be C

5 0
3 years ago
You have $10.00 and want to buy candy for $8.73. How much money will you have left over?
Viktor [21]

Answer:

$1.27

Step-by-step explanation:

You simply just need to subtract 10.00-8.73 to get your answer which is 1.27.

6 0
3 years ago
Read 2 more answers
A horizontal line is seven which of the following is true
nydimaria [60]

Answer:What are the answer choices??

Step-by-step explanation:

4 0
3 years ago
Solve for x.<br> y=x-12<br> y= 14
masya89 [10]

Answer:

26

Step-by-step explanation:

Check answer:

14+12= 26

26-12=14

8 0
3 years ago
Read 2 more answers
Of the 50 students in an undergraduate statistics class, 60% send email and/or text messages during any given lecture. They have
sasho [114]

Answer:

0.3 or 30%

Step-by-step explanation:

Since no innocent student will ever be caught, the probability that a student sends an email and/or text message during a lecture AND gets caught is given by the product of the probability of a student sending a message (60%) by the probability of the professor catching them (50%) :

P = 0.5*0.6 = 0.3

The probability is 0.3 or 30%.

7 0
3 years ago
Other questions:
  • If you can buy 6 bulbs of elephant garlic for $18 then how many can you buy with $54?
    12·2 answers
  • Which equation represents a proportional relationship?
    8·1 answer
  • 15x-6x+5xsquared -6x cubed - 2x squared +2(6x-2) please help me!!! (Show work)
    7·1 answer
  • **PLEASE ANSWER ASAP AND YOU DONT NEED TO SAY WHY JUST GIVE ME THE CORRECT ANSWER!!!!
    8·1 answer
  • Two blocks are connected by a very light string passing over a massless and frictionless pulley. The 20.0 N block moves 75.0cm t
    8·1 answer
  • 1. which two types of clouds indicate fair weather?
    10·2 answers
  • A recipe for chili uses 2 1/3 cups of beans. Keith is making 1 1/2 times the recipe. Which equation helps Keith find how many cu
    11·2 answers
  • PLS ANSWEE!<br><br> B.<br> Two angles that share a common vertex and side. <br><br> Geometry vocab
    10·1 answer
  • Sum of 13 and 3 times a number is 31. What is the number?
    9·1 answer
  • The graph of the relation H is shown below.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!