2sin²(-2490)+tan 1410=2sin²(-330-6*360)+tan (330+3*360)=
=2sin²(-330)+tan (330)=2 sin²(30-1*360)+tan (-30)=
=2sin²(30)-tan (30)=2(1/2)²-√3/3=1/2-√3/3)=(3-2√3)/6
Answer: 2 sin²(-2490)+tan (1410)=(3-2√3)/6 (≈-0.07735...)
7x-7-2x-2+3x-12=8x-21
I think
Answer:
the first ones >
Step-by-step explanation:
the second ones <
Answer:
10.04 × 8.8 =?, ? = 88.352 :)
Answer:
i have no idea sry man lol
Step-by-step explanation:
no idea
