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Can you explain to me why I got this wrong? And what are the correct answers

Can you explain to me why I got this wrong? And what are the correct answers-example-1
User Chefsmart
by
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1 Answer

1 vote

To get the true statements, we will be testing the options one by one in order.

First option


\begin{gathered} \cos (25)=0.9063 \\ \cos (65)=0.4226 \\ \therefore\cos (25)\\e\cos (65) \end{gathered}

Second option


\begin{gathered} \cos (25)=0.9063 \\ \sin (65)=0.9063 \\ \therefore\cos (25)=\sin (65) \end{gathered}

Third option


\begin{gathered} \sin (25)=0.4226 \\ \cos (65)=0.4226 \\ \therefore\sin (25)=\cos (65) \end{gathered}

Fourth option


\begin{gathered} \tan (45)=1 \\ \tan (45)=1 \\ \therefore\tan (45)=\tan (45) \end{gathered}

Fifth option


\begin{gathered} \tan (65)=2.1445 \\ \tan (25)=0.4663 \\ \therefore\tan (65)=\tan (25) \end{gathered}

Hence, the correct options are Options 2, 3, 4.

User BaRud
by
7.8k points

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