aswinadh92 aswinadh92

11-08-2021
Mathematics

contestada

If tanA=1/7 and tanB=1/3 prove that cos2A=sin4B

Respuesta :

omandamjohnaldred omandamjohnaldred

11-08-2021

Answer:

{4 |8}. 96. 24

sin4B{3. |9}= ___. = ___ = cos2A

{10|10} 100. 25

{9 |9}

Answer Link

Otras preguntas

Susan works 8 hours a day and makes $7.00 per hour. How much money does Susan earn in one week if she works 5 days per week?

$6300 is invested , part of it at 12%, and part at 6%. For a certain year, the total yield is 564.00. How much was invested at each rate?

what is 2.1 rounded to the nearest tenth?

A store is having a sale to celebrate president day. Every item in the store is advertised as one fifth off the original price of $140, what was it's original p

how did english culture influence chaucer?

A store is having a sale to celebrate president day. Every item in the store is advertised as one fifth off the original price of $140, what was it's original p

Consider polynomial function f(x) = (x+ 1)(x−2)(x−3). (a) Find all zeros. (b) The zeroes divide R into a few open intervals. Find sign of f(x) for x in each int

An equilateral triangle has a perimeter of 18cm. What is the length of one of its sides?

Which of the following pairs does NOT represent a correct relationship? (A) glucose; polysaccharide (B) starch; polysaccharide (C) starch; carbohydrate (D) gluc

how did english culture influence chaucer?