Wahamuka New member Joined Jan 19, 2019 Messages 28 Jan 19, 2019 #1 Let sin 20◦ = k. Express the following in terms of k. a) sin 340 b) cos 200 c) tan 160 d) cot 70 Been trying to solve this for a while, I have a math test tomorrow...
Let sin 20◦ = k. Express the following in terms of k. a) sin 340 b) cos 200 c) tan 160 d) cot 70 Been trying to solve this for a while, I have a math test tomorrow...
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Jan 20, 2019 #2 Wahamuka said: Let sin 20◦ = k. Express the following in terms of k. a) sin 340 b) cos 200 c) tan 160 d) cot 70 Been trying to solve this for a while, I have a math test tomorrow... Click to expand... You have sine. Calculate cosine and tangent. Reference Angle 340 = 360 - 20 200 = 180 + 20 etc.
Wahamuka said: Let sin 20◦ = k. Express the following in terms of k. a) sin 340 b) cos 200 c) tan 160 d) cot 70 Been trying to solve this for a while, I have a math test tomorrow... Click to expand... You have sine. Calculate cosine and tangent. Reference Angle 340 = 360 - 20 200 = 180 + 20 etc.
