Question

find the value of the trigonometry function tan(-870°)




I will mark the answer as brainliest​

Answer 1

Answer:

hi my dear friend

Step-by-step explanation:

i hope this answer help full

Answer 2

Answer:

sin870

∘

=sin870

∘

=sin(8×90

∘

+150°)=sin150°=sin(90

∘

+60

∘

)=cos60

∘

=

2

1