bilal3627 bilal3627

03-06-2017
Mathematics

contestada

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

Respuesta :

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 does this poem mean "pretty girl, with faraway eyes, why do you look with such surprise? How did you get to be so wise, old girl in young-girl disguise"

If the Campbell Candy company can produce Sarah's special candy bars at 100 for $165 and 600 for $195 write the cost function for the production process?

in a walk for charity, you walk at a rate of 100 meters per minute. how long does it take to walk 2 kilometers?

what was the result of the peloponnesian war?

9x-6=8 ??¿????c?????????????????????????????????????????

Compare and contrast chinese and European means and motives for commercial expansion

How to write 1.35 as a fraction in lowest form

PLEASE HELP I GIVE THANKS

examples of three different types of computer storage

Which of the following can be used to discover an authors purpose? I. details in the story II. historical context III. publishers life history a. I, II, and III