hamood9654 hamood9654
  • 04-07-2017
  • Mathematics
contestada


If cos(t)=-9/10 where pi < t < 3pi/2, find the values of the following trigonometric functions.

cos(2t)=
sin(2t)=
sin(t/2)=
cos(t/2)=

Respuesta :

ghanami
ghanami ghanami
  • 09-07-2017
hello here is a solution : 
Ver imagen ghanami
Answer Link

Otras preguntas

Paula invested in two accounts; one pays 3% simple interest and the other pays 6% simple interest. She invested $5000 more in the account paying 6% than in the
what is 3,256,423,865 rounded to the nearest million?
What is  a Nonlinear graph? i forgot
a 5 ft ladder is leaning against a 4 ft wall. how far must the bottom of the ladder be from the base of the wall so that the top of laddet rests at the top of w
One of the biggest pull factors that lured people to move West was cheap land. true or false
What is one significant contribution from African Americans on American society and/or culture?
Factorise fully. X^2 +6x+5
Factorise fully. X^2 +6x+5
During the bitter struggle over reconstruction policy, Congress overrode Johnson's veto of the
In addition to replacing the president if necessary, it's the duty of the vice president to