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

what is a high structure part of a church which has 5 letters
how do you write 4540 million in standard form?
What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?
The function of the eardrum in the middle ear is to
Simplify the expressions: cot 0 sec 0 A. Sin0 B. Csc0 C. Cos0 D. Cos* 0
What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?
what's another word for over thinking?
how do you write 4540 million in standard form?
how were north american colonies all similar in the 1700s?
What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?