Please help: 4) sin-1 (square root of 5 over 3) 5) cot pie over 12 6) sint= 1/4. 0<t< pie over 2 and sin t is given.
Last edited by mr fantastic; Apr 27th 2009 at 07:35 PM. Reason: Moved from original thread
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Originally Posted by donnyB Please help: 4) sin-1 (square root of 5 over 3) 5) cot pie over 12 6) sint= 1/4. 0<t< pie over 2 and sin t is given. 4) sin-1 (square root of 5 over 3) Do you mean 5) cot pie over 12 You should find 1st, then find its reciprocal. You can you your scientific calculator or where is a special angle. 6) sint= 1/4. 0<t< pie over 2 and sin t is given. That means it is in the 1st quadrant.
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