Value of sin 60 and cos 60 - Brainly.in
Sep 2, 2018 · value of cos 60: 90° – 30° = 60° This is the equation (1) According to the trigonometric formula, sin (90° – a) represents the cos Sin (90° – 60°) = cos 60° sin 30° = cos …
Prove that Cos60°=1/2???? - Brainly.in
Aug 30, 2019 · In a Right Angled Triangle, Cos of certain angle is defined as Adjacent Side divided by Hypotenuse. Therefore Cos (60) would be AB/AC, which is x/2x, which is 1/2.
Cos 20°. Cos 40°. Cos 60° +cos 80° =1/16 - Brainly.in
Oct 12, 2024 · Cos 20°. Cos 40°. Cos 60° +cos 80° =1/16 - 61264942
Prove that [cosA] [cos (60 - A)] [cos (60 + A)] = (1/4)cos (3A)
Apr 10, 2024 · Find an answer to your question Prove that [cosA] [cos (60 - A)] [cos (60 + A)] = (1/4)cos (3A)
cos 20 .cos 40 .cos 60 +cos 80 =1/16solve this problem - Brainly.in
Oct 5, 2024 · Cos 20 .cos 40 .cos 60 +cos 80 =1/16 solve this problem
The minimum value of cosx.cos (60-x).cos (60+x) - Brainly.in
Jun 28, 2022 · The minimum valueof cosx.cos(60∘ −x).cos(60∘ +x) = −41 Given : cosx.cos(60∘ −x).cos(60∘ +x) To find : The minimumvalue of cosx.cos(60∘ − x).cos(60∘ + x) Solution : Step …
cos 60°- cot 45°+ cosec 30°/sec 60°+ tan45°-sin30° - Brainly.in
Aug 26, 2018 · Find an answer to your question cos 60°- cot 45°+ cosec 30°/sec 60°+ tan45°-sin30°
Find the value of cos 60 degree - Brainly.in
Jan 31, 2021 · Answer: Some of the degree values of the sine and cosine functions are taken from the trigonometry table for finding the value of cos 60. You can now find the value of cos …
If x tan 60°cos 60°= sin60°cot 60°, then x - Brainly
Sep 16, 2022 · Answer: If x tan 60°cos 60°= sin60°cot 60°, then x = (a) cos30° (b) tan30° (c) sin30° (d) cot30° Answer: (b) tan30° is correct Step-by-step explanation: Given x tan60° …
cos12°+cos60°+cos84°=cos24°+cos48° - Brainly.in
Jun 9, 2017 · Hi friend, cos12°+cos60° + cos 84° = cos24°+cos48° =cos24 - cos 84 + cos 48 - cos 12=cos60 = 2sin 54°× sin30 + 2 sin 30 × sin (-18) = cos 60; = sin 54 - sin 18 = cos 60 = 2 cos …