document.write( "Question 1168789: suppose 0<Θ< pi/2 and tan =7/8. evaluate cos Θ and sin Θ. \n" ); document.write( "
Algebra.Com's Answer #793417 by htmentor(1343)\"\" \"About 
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If the tangent is 7/8, that means that the altitude and base of the right
\n" ); document.write( "triangle are 7 and 8, respectively. Thus the hypotenuse is sqrt(49+64) = sqrt(113),
\n" ); document.write( "and the sin and cos, are 7/sqrt(113) and 8/sqrt(113), respectively.
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