A right triangle in which one acute angle is a reference angle for a 75° angle in standard position intersects the unit circle at (0.259,0.966). What is the approximate value of…

Question

asked Nov 6, 2019 219k views

1 Answer

Splynx · Answer 1 · 2019-11-11T05:25:53+0000

Alright, lets get started.

Please take a look at the diagram attached.

The reference angle of 75 will be 75

As it is mentioned that the angle intersects the unit circle means r = 1

So, finding cos

cos 75 =
(X)/(r)

cos 75 =
(0.259)/(1)

cos 75 = 0.259 : Answer

Hope it will help :)