Answer:
Answers here just click https://dffrg.com
Step-by-step explanation:
Answer:
cos 2 x=1-sin^2 x
Step-by-step explanation:
x=-135°
cos 2x=cos (-270)=cos (-270+360)=cos 90=0
or cos 2x=1-2sin ²x=1-2(sin (-135))²
=1-2(-sin 135)²
=1-2(sin 135)²
=1-2(sin (180-45))²
=1-2(sin²45)
=1-2 (\frac{1}{\sqrt{2}})²
=1-1
=0
I think it's 7 because 7 x 2 = 14
Answer:
It will take 14 months.
Step-by-step explanation:
Re-calculate the equation.
