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
Simora [160]
3 years ago
11

Verify sin2θ/1+cos2θ =tanθ

Mathematics
1 answer:
Andrej [43]3 years ago
4 0

Answer:

LHS.= Sin 2x /( 1 + cos2x )

We have , sin 2x = 2 sinx•cosx

And. cos2x = 2cos^2 x - 1

i.e . 1+ cosx 2x = 2cos^2x

Putting the above results in the LHSwe get,

Sin2x/ ( 1+ cos2x ) =2 sinx•cosx/2cos^2x

=sinx / cosx

= Tanx

.•. sin2x/(1 + cos2x)= tanx

Step-by-step explanation:

You might be interested in
The two lines y=2/5x+9 and y= -2/5x-9 are: <br> a) parallel <br> b) perpendicular <br> c)neither
irakobra [83]

Answer:

neither

Step-by-step explanation:

parallel lines have the same slope and different y-intercept

perpendicular lines have the reciprocal as slopes( 2/5 and 5/2)

as these slopes have neither the answer in NEITHER

8 0
3 years ago
Find \tan(\beta)tan(β)tangent, left parenthesis, beta, right parenthesis in the triangle.
goldenfox [79]

Answer:

the correct answer is C 8/15

Step-by-step explanation:

3 0
3 years ago
You mow the lawn to earn your allowance. Each time you mow the lawn you earn $12 Write an equation for the number of dollars, d,
andrezito [222]

The equation is d=12m for amount you earn is 12 dollars per mow sesion.

12x10=120 after 10 times mowing you earned $120 (not bad)

8 0
3 years ago
Helpppppppppppppppppppp
Lelechka [254]

Answer:

30:1

Step-by-step explanation:

1. Look at the graph and follow along the lines.

2. When x is 1 in hours then cakes are 30.

3. So we can write the ratio from cakes to hours.

4. The ratio is 30:1.

5 0
3 years ago
Graph A represents the function f(x)=^3 graph B and C are transformations of graph A
PolarNik [594]

Answer:

A3

Step-by-step explanatio

6 0
3 years ago
Other questions:
  • Let f(x)=9x-2 and g(x)=-x+3. find f(g(x)).
    10·2 answers
  • I was struggling and I would want to know what -3m -6 = 18 is
    12·2 answers
  • HELP ME ASAP! PLS!!!!
    6·2 answers
  • J / -2 + 7 = -12<br><br> j = ?
    15·2 answers
  • There is a number three times the number -6 is equal to 45 find the number
    8·2 answers
  • PLEASE HELP I NEED ANSWER ASAP!! &lt;3<br><br> (photo included)
    5·1 answer
  • Are 5(8y - 8) and 40y - 40 equal?​
    10·1 answer
  • Let g(x)= - x^2 + 5x + 2, find and simplify g(-3)<br><br><br><br><br>​
    15·1 answer
  • Who am I?
    5·2 answers
  • The HCF of 12, 8 ,32 is?​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!