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
Natali [406]
3 years ago
13

Evaluate the following. (iii) sin 30° + tan 40° - cosec 60° / cot 45° + cos 60° - sec 30°​

Mathematics
1 answer:
bearhunter [10]3 years ago
4 0

Sin 30 = 1/2

tan 45 = 1

Cosec 60 = 2 / √3 = 2√3 / 3

cot 45 = 1

Cos 60 = 1/2

sec 30 = 2 / √3 = 2√3 / 3

_______________________________

[ 1/2 + 1 - 2√3/3 ] ÷ [ 1 + 1/2 - 2√3/3 ] = <em>1</em>

The face and denominator of the fraction are exactly the same thus the answer is 1 .

You might be interested in
Alice's garden produced 17 yellow tomatoes this year. She also grew 18 roma
Sever21 [200]

Answer:

C

Step-by-step explanation:

You add both types of tomatoes together to get the total amount of tomatoes

4 0
3 years ago
The area of<br>of a rectangle is (14x^4 + 7x^2) cm²<br>and its breadth is 7x^2 cm. Find its length.​
NeTakaya

Answer:

2x^1+1

Step-by-step explanation:

Area=L X W

which means that (14x^4+7x^2) needs to be divided by 7x^2

factorise(14x^4+7x^2) which gives 7x(2x^2+1)

divide 7x(2x^2+1) by 7x^2

gives 2x^2 +1

7 0
2 years ago
Read 2 more answers
All kites are squares true or false
Klio2033 [76]

Answer:

No

Step-by-step explanation:

Not all kites are a square.

8 0
3 years ago
Comparison Keshawn goes to the store to buy milk for his baby sister. He sees the
GalinKa [24]

Answer:

he should buy 128 oz of milk for 6.49

Step-by-step explanation:

2.49 divided by 32 equals 7 cents unless your rounding which would be 8 cents

4.99 divided by 64 is 7 cents too 8 if rounding

6.49 divided buy 128 oz would equal 5 cents so it is the cheapest.

4 0
3 years ago
If a = 6 and b = 2, what is the value of the following expression?<br><br> (a + b)^3 - 3ab(a + b)
Nimfa-mama [501]
The value would 223. all that needs to be done is substitute 6 for a and 3 for b.
3 0
3 years ago
Read 2 more answers
Other questions:
  • Stuck on two. Plz help. Pre-all is hard
    12·2 answers
  • F(x)= -2x + 2; Find f(5)
    15·1 answer
  • Simplify the expression 8x² + x - 5 + (2x² - 9x + 13) *
    8·1 answer
  • Need help ASAP!! thank you sorry if u can’t see it good :(
    12·1 answer
  • A salesperson receives a base salary of $35,000 and a commission of 10% of the total sales for the year. If a salesperson sells
    9·1 answer
  • How many groups of 13 inch are in 34 inch?
    8·1 answer
  • 2. f(x) = (x -2)^2 +4
    12·1 answer
  • Challenge A cell phone plan costs $19.80 per month for 400 minutes of talk time. It costs an additional $0.06 per minute for eac
    9·1 answer
  • Emilio's Bakery recently spent a total of $50 on new equipment, and their average hourly operating costs are $14. Their average
    14·1 answer
  • Order the following numbers from least to greatest: 4.06, 4.6, 4.72, 4.59. PLEASE HELP 100 POINTS
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!