document.write( "Question 1199750: If a point on the terminal side of the angle is (-3,4). What is the sine of an angle? \n" ); document.write( "

Algebra.Com's Answer #833713 by ikleyn(52863) $\"\"$ $\"About$

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\n" ); document.write( "If a point on the terminal side of the angle is (-3,4). What is the sine of an angle?
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document.write( "The point and the angle are in Q2 (2nd quadrant).\r\n" );
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document.write( "The legs of the right angled triangle are 3 units (horizontal) and 4 (vertical), \r\n" );
document.write( "the hypotenuse is 5 units.\r\n" );
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document.write( "The opposite side to the angle is 4 units; the hypotenuse is 5 units.\r\n" );
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document.write( "The sine of the angle is  .   The sign of the sine is positive in Q2.\r\n" );
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document.write( "ANSWER.  Sine of the angle is   = 0.8.\r\n" );
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