6) If Cosa = 7/25,find sin x , tan x ,Cosec x ,Sec x & Cot × .
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Answer:
cosA=
25
7
Therefore,
Base =7 and Hypotenuse =25
Therefore, Perpendicular =
25
2
−7
2
=
625−49
=
576
=24
Hence,
tanA+cotA=
7
24
+
24
7
=
168
576+49
=
168
625
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