if sin0+2cos0=1,prove that cos0-2sin0=2
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hey mate here is ur ans......
sin+2cos=1
therefore sin=1-2cos
cos-2(1-cos)=2
cos-2+4cos=2
5cos=4
cos=4/5
therefore
sin+2(4/5)=1
sin+8/5=1
5sin+8=5
5sin=-3
sin=-3/5
now.....
cos-2sin=2
4/5-2(-3/5)=2
4/5+6/5=2
hence proved....
hope this helps u out
plez mark as brainliest
sin+2cos=1
therefore sin=1-2cos
cos-2(1-cos)=2
cos-2+4cos=2
5cos=4
cos=4/5
therefore
sin+2(4/5)=1
sin+8/5=1
5sin+8=5
5sin=-3
sin=-3/5
now.....
cos-2sin=2
4/5-2(-3/5)=2
4/5+6/5=2
hence proved....
hope this helps u out
plez mark as brainliest
saNuRana:
Ok dear
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