Math, asked by musharraf2, 1 year ago

from questions no one to six plzzzz

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Answered by pragx
0
1)
√3 sin=cos
sin=cos/√3

sin.tan+(tan.cot)/sin+cos
=sin^2+1/cos.(sin+cos)
=cos^2/cos.sin +cos^2
=cos/sin+cos
=√3.sin/sin+√3.sin
=√3.sin/sin(1+√3)
=√3/1+√3

2)
cos.cosec(90-theta)
=cos.sec
=cos/cos=1

3)
tan(3x+30°)=1
=tan45°
3x+30=45
3x=45-30
x=5

mark brainliest plz

pragx: 4)
mode=3median-2mean
1000-3(1250)/-2=mean
-2750/-2=1370=mean

5)
putting the value of x in the given equation
8^2-10(8)+k=0
64-100=-k
36=k

6)
since EF||AC
EC=AF
so, AF=2
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