bilal3627
bilal3627 bilal3627
  • 03-06-2017
  • Mathematics
contestada

if cos3a=sin(a-22°) ,where 3a & (a-22°) are acute angles find a

Respuesta :

anonymous79
anonymous79 anonymous79
  • 03-06-2017
since they are acute, they lie in first quadrant
how to check that they are correct??
Substitute a=28 into the equation
cos(3*28)=0.104...
sin(28-22)=0.104
hence it is correct
Ver imagen anonymous79
Answer Link

Otras preguntas

Q10.The Brezhnev Doctrine of 1968 stated that the Soviet Union would intervene in foreign countries for whichof the following purposes?A.to spread communismB.to
A petrol tanker supplies a filling station 22500kl of fuel. How many cars with a tank capacity of 25 litres are needed to empty the petrol tank?
a co-worker tells jokes which portray women in demeaning ways. This is an example of conduct that could result in which of the following? Quid pro quo Hostile w
What issues does the report indicate to close inequality gaps. Mention issues that redress equality gaps
Sinpost for part 2 chapter 8 of language of flowers
derivative y^(2)+x^(3)-y^(3)+6=3y​
Which of the following are true about air supplying respirators
1.The list below identifies three organizations.World Trade Organization (WTO)United Nations (UN)North Atlantic Treaty Organization (NATO)What purpose is common
15Pretest: Industrializing the Nation (1877-1914)Drag each tile to the correct box.Match each act to its purpose.mentum. All rights reserved.Dawes ActHomestead
Put these words in order 1 vous 2 mis 3 avez 4 ⠀⠀la table