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
Virty [35]
3 years ago
10

ASAP Please i need this done in the next 20 minutes cos^2B-sin^2B=3cosB+1

Mathematics
1 answer:
MArishka [77]3 years ago
5 0

the answer is "Using the trigonometric identity

sin²x + cos²x = 1 , then sin²x = 1 - cos²x

Consider the left side

sin²a - sin²b

= (1 - cos²a) - (1 - cos²b)

= 1 - cos²a - 1 + cos²b

= cos²b - cos²a

= right side , thus verified"

You might be interested in
PLEASE HELP
kari74 [83]

Answer

jermy

Step-by-step explanation:

8 0
3 years ago
I’m so confused please explain and help! The most explanation with the reasonable answer gets BRAINLIEST
8_murik_8 [283]

Answer: I say Mike because when you multiply it you end up getting 4 for Mike

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
Geometry help asap please
NemiM [27]

Answer:

99 degrees

Step-by-step explanation:

81+a=180, so

180-81=99

a=99

5 0
3 years ago
Variables and Inequalities
sleet_krkn [62]

Answer:

  1. x>4
  2. m <2
  3. x>2
  4. x>-6

hope it helps pls mark braiest

5 0
4 years ago
Factor completely 2c5 + 44c4 + 242c?.
satela [25.4K]

Answer:

2 c (c^4 + 22 c^3 + 121)

Step-by-step explanation:

Factor the following:

2 c^5 + 44 c^4 + 242 c

Factor 2 c out of 2 c^5 + 44 c^4 + 242 c:

Answer: 2 c (c^4 + 22 c^3 + 121)

7 0
3 years ago
Other questions:
  • I need help plzzzzzzzzzzzz
    7·1 answer
  • How can u tell without computing whether the quotient 1/2 divided 6 is greater or less than 1
    15·1 answer
  • Which correctly names a point, line, or plane in the figure?
    14·1 answer
  • What is the length of the hypotenuse, x, if (20, 21, x) is a Pythagorean triple?
    8·2 answers
  • A consumer currently spends a given budget on two goods, X and Y, in such quantities that the marginal utility of X is 10 and th
    12·1 answer
  • Order the data from least to greatest 35,24,25,38,31
    6·2 answers
  • The value of y varies directly with x. If y = 14 when x = 7, find x when y = -10
    12·1 answer
  • A town had temperatures of -8 degrees, -2 degrees and 5 degrees over three days. What was the difference been the highest temper
    10·1 answer
  • Write an inequality for the value of x, fill in the first blank with ( ) and the second blank with a number (integer or decimal)
    11·1 answer
  • ITS FREE my men (or women)
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!