Round each mixed number to the nearest whole number. Then, estimate the sum. 8 9/10 multiplied by 1 4/5......???
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Prove that Sin 20 cos 70° tan 50. tan 2 cos 55° cosec 35°-2 tan 50 , 25 ° . tan 650 , tan 850
O hope this will be hellfull to your d.i.c.k
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