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The second part of the problem is where i need help. The answers i have there have been given by other tutors

The second part of the problem is where i need help. The answers i have there have-example-1
The second part of the problem is where i need help. The answers i have there have-example-1
The second part of the problem is where i need help. The answers i have there have-example-2
User Tvs
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1 Answer

3 votes

SOLUTION

From the given value

Since


\sin u=(7)/(25)

Then using trigonometrical ratios it follows


\cos u=(24)/(25)

Using hal -ngle it folows


\begin{gathered} sin((u)/(2))=\sqrt{(1-(24)/(25))/(2)} \\ s\imaginaryI n((u)/(2))=\sqrt{(1)/(50)} \end{gathered}

Also


\begin{gathered} cos((u)/(2))=\pm\sqrt{(1+(24)/(25))/(2)} \\ cos((u)/(2))=\sqrt{(49)/(50)} \\ cos((u)/(2))=7\sqrt{(1)/(50)} \end{gathered}

Finally?


\begin{gathered} \tan((u)/(2))=\pm\sqrt{(1-(24)/(25))/(1+(24)/(25))} \\ \tan((u)/(2))=\sqrt{(1)/(49)} \\ \tan((u)/(2))=(1)/(7) \end{gathered}

User Kemeia
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