Question

1. [3 marks] Determine each trig ratio rounded to four decimal places. a) sin110° b) cos 130° c) tan160°

Answer 1

Given:

Angles of trigonometry Sin 110, Cos 130 and tan 160.

Required:

Find values rounded to four decimal places.

Step-by-step explanation:

`\begin{gathered} 1).\text{ }Sin\text{ }110^(\circ)=0.9397 \\ 2).\text{ }Cos\text{ }130^(\circ)=-0.6428 \\ 3).\text{ }tan\text{ }160^(\circ)=-0.3640 \end{gathered}`

Answer:

These are the answers.