subject

Mathematics, 18.09.2019 21:00 herchellann302

If tan a=1/7 and tan b=1/3, prove that
cos 2a =sin 4b

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 17:40

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

Answers: 2

question

Mathematics, 21.06.2019 19:30

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

Answers: 3

question

Mathematics, 21.06.2019 23:30

Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)

Answers: 1

question

Mathematics, 22.06.2019 00:30

What are two numbers that have a sum of 15?

Answers: 2

You know the right answer?

If tan a=1/7 and tan b=1/3, prove that
cos 2a =sin 4b...

Questions

question

Mathematics, 10.03.2021 18:40

HELP WILL MARK BRIANLIET ANSWER IF GOTTEN RIGHT

question

Chemistry, 10.03.2021 18:40

Calculate the weight of 2.24 litre of oxygen at NTP...

question

Chemistry, 10.03.2021 18:40

Juanita drew a Venn diagram to compare reproduction in sponges and cnidarians. Which label belongs in the area marked X? Sponges Cnidarians O can repr...

question

Advanced Placement (AP), 10.03.2021 18:40

ANSWER FAST‼️ Label each with the economic activity sectors they belong in such as Primary, secondary, Tertiary, Quaternary or Quinary. A...

question

Biology, 10.03.2021 18:40

5.) Light energy is converted into chemical bond energy in the process of a. respiration b. reproduction c. protein synthesis d. ph...

question

Mathematics, 10.03.2021 18:40

A teacher has three pieces of wood that measure 2 ft, 3 ft, and 6 ft, respectively. The teacher asks four students to explain how many triangles they...

question

Mathematics, 10.03.2021 18:40

Solve each problem. m ...

question

Mathematics, 10.03.2021 18:40

(9+5)(3+2)⁰EvaluateA:0B:1C:14D:15...

question

Social Studies, 10.03.2021 18:40

Class structures from different civilizations varied in the amount of "level" the structure had. How many levels were there in the Aztec social pyrami...

question

Social Studies, 10.03.2021 18:40

A charge on land and building is...

question

Mathematics, 10.03.2021 18:40

Which set includes rational numbers but not natural numbers

question

Mathematics, 10.03.2021 18:40

What is the area of the parallelogram shown? ...

question

History, 10.03.2021 18:40

What advantages did missionaries from Portugal provide to the American Indians?...

question

Mathematics, 10.03.2021 18:40

BRAINLIEST AND 10 POINTS When comparing the results of multiplying polynomials using the horizontal method and the vertical method, . 1....

question

English, 10.03.2021 18:40

Does anyone have the assessment answers for the "Ecchoing Green" common lit assignment? I really need it ASAP....

question

Mathematics, 10.03.2021 18:40

Evaluate mº - n2 for m = 2 and n = -1....

question

Mathematics, 10.03.2021 18:40

Use the exterior angle theorem to find the measure of each angle. Help I don’t really understand what to do I try to do step by step I still don’t un...

question

Mathematics, 10.03.2021 18:40

Can anyone please help me show work ...

question

Biology, 10.03.2021 18:40

What are the answers please ...

question

Social Studies, 10.03.2021 18:40

'Nepal is a country of geographical diversity'. Justify the statement with examples...

More questions: Mathematics Another questions

Questions on the website: 13722359