Answer:
4.47
Step-by-step explanation:
a^2+b^2=c^2
2^2+4^2=c^2
4+16=c^2
20=C^2
= 
4.47=c
Step-by-step explanation:
do u have like a photo or sum to explain it better
Answer:
Step-by-step explanation:
LHS = Sin² ∅ + Sin² ∅*tan² ∅
= Sin² ∅ [1 + tan² ∅ ] {Sec² ∅ - tan² ∅ = 1}
= Sin² ∅ *Sec² ∅
= Sin² ∅ * 
= Sin² ∅ /Cos² ∅
= tan² ∅ = RHS
Answer:
3.4
Step-by-step explanation:
83.3 divided by 24.5= 3.4
Answer:
2nd option
Step-by-step explanation:
the mean is calculated as
mean = 
= 
= 
=
+ 
= x + 