c)
i) Given that Q cost = P or Cos t = P/Q
To find out:
tan t - cot t =
=
(Since 1+tan square t = sec square t)
---------------------
c) Let us replace sec t = 1/cost and tant = sint / cost
The given term becomes
Simplify to get 4-4sin t= 1 +sint
Or
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c)
i) Given that Q cost = P or Cos t = P/Q
To find out:
tan t - cot t =
=
(Since 1+tan square t = sec square t)
=
---------------------
c) Let us replace sec t = 1/cost and tant = sint / cost
The given term becomes
Simplify to get 4-4sin t= 1 +sint
Or