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please solve this question

Asked by www1028 31st August 2009, 6:37 PM
Answered by Expert
Answer:

If sinθ=21/29 then sec θ = 29/20 and tan θ  =21/20 if θ is in I quadrant i.e between 0 and Π/2.

So secθ + tanθ=29/20+21/20 =50/20=5/2

If θ is between Π/2 and Π  i.e II Quadrant sec θ = -29/20 and tan θ  = - 21/20

secθ + tanθ=-(29/20+21/20) = -50/20=  -5/2

If θ is between Π and 3Π/2  i.e III quadrant then tan is positive and sec isnegative i.e tan θ  =21/20  and 
sec θ = -29/20

Simplify to get secθ + tanθ = -8/20 or -2/5

Answered by Expert 1st September 2009, 11:01 AM
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