Answer:
4/5 or 0.8
Step-by-step explanation:
3*3*4/45
3*3=9
9*4=32
32/45=4/5
Hope it helps ;)
Answer: 
Step-by-step explanation:
We have the following function:

And we have to evaluate it when
, this means we have to substitute
by
:

Solving:

Finally:

Answer:your dumb
Step-by-step explanation:
Answer:
LHS.= Sin 2x /( 1 + cos2x )
We have , sin 2x = 2 sinx•cosx
And. cos2x = 2cos^2 x - 1
i.e . 1+ cosx 2x = 2cos^2x
Putting the above results in the LHSwe get,
Sin2x/ ( 1+ cos2x ) =2 sinx•cosx/2cos^2x
=sinx / cosx
= Tanx
.•. sin2x/(1 + cos2x)= tanx
Step-by-step explanation:
Answer:
D 45
Step-by-step explanation:
90/2 = 45
135/3 = 45
180/4 = 45