Answer:
Do you have a picture?
Step-by-step explanation:
Step-by-step explanation:
L.H.S=(1-cosB)(1+cosB)
=(1-cos^2B). {using (a+b) (a-b)=(a^2-b^2)in second step}
=sin^2B
=1/cosec^2B
Therefore,L.H.S=R.H.S proved
Answer:
64
Step-by-step explanation:
16+16 on the 2 big sides
then 8x4=32
32+32
64 is ur answer
Answer:B! sorry i made a mistake!
Step-by-step explanation:
Answer: 8<12
Step-by-step explanation:
