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's a good slogan for a dietitian (have dietitian in it) ?
What is a group of organisms that look alike and can reproduce among their selfs ?
Why were the 1920's considered the best and worst of times?
What culture believes health is harmony between man and nature?
Morgan found a stone arrowhead. He measured it three times. He measured it as 2 inches to the nearest inch, to the nearest 1/2 inch, and to the nearest 1/4 inch
The gases in the air attracted to earth by gravity form layers called the ____
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6
Which of the following is formed at a collision zone?Continental rift valleyVolcanic island chainMountain rangeDeep-ocean trench
How did the depression affect women and children?
How did the depression affect women and children?