Prove that : {tan2( − 1)/(cos + 1)}+{ 2 (cos − 1)/( + 1)}=0.
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A man
moves 4m towards east and 3m
toward north. calculate the
distance and displacement covered by the man 2. define law of conservation of linear momentom
3.the weight of the man is 98n on the earth.what is the mass of the man on the moon
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