If 2 sin = 2 - cos find sin
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Answer:
Ya thanks a lot
Step-by-step explanation:
he he...
Answer:
Square both sides
4sin^2=4+cos^2-4cos........1
sin^2=1-cos^2.......put this in 1
solve to get cos=4/5 (general) or it may be cos=0
therefore theta=pi/2......sin(theta)=1
or theta=37 degree in case of 4/5
then sin(37)=3/5
Ans: Sin=1 or 3/5
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