kar7i9axapnHagej
kar7i9axapnHagej kar7i9axapnHagej
  • 21-07-2016
  • Mathematics
contestada

Let sin t = a, cos t = b, and tan t = c. Write the following expression in terms of a, b, and c.

sin (t + 4pi) - cos (t + 8pi) + tan (t + 5pi)

Respuesta :

meerkat18
meerkat18 meerkat18
  • 22-07-2016
we use the trigonometric identities in this problem.

=(sin(t)cos(4π)+sin(4π)cos(t))−(cos(t)cos(8π)−sin(t)sin(8π)) +tan(t)+tan(5π)/1−tan(t)tan(5π)
=
sin(t)+0−cos(t)+0+ tan(t)1−0=sin(t)−cos(t)+tan(t)
=
a−b+c
Answer Link

Otras preguntas

What is Walter Raleigh known for? He wrote plays about Queen Elizabeth I. He established the first English colony in North America. He attacked Spanish treasure
Help me please :((((
When was the song planting is no joke created?
WILL MARK BRAINLIEST! 48 divided by 2 (9+3)= ? PLEASE HELP!!!!
Jada has read 3/4 of a book. She has read 60 pages so far. How many pages are in the whole book?
Look at each set four vocabulary terms. On the line provided, write the letter term that does not relate to the others. A. market economy B. democracy C. tradit
where's the word of France came first​
Please help me solve this correct answer gets brainlist
Why is that gender inequality happen in workplace?
if you walk 5 m along straight then tum comer and Walk another straight sidewalk your displacement is not equal to the of the displacements because you changed