View Solution ∫ |cosx| dx View Solution View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP Board, Bihar Board, Rajasthan ...
limx→0cos−1(cosx)sin−1(sinx) is equal to : View Solution Limx→π2cosxπ2−x View Solution limx→π2cotx−cosxcos3x View Solution Evaluate: (lim)x→π2(cosx)cosx View Solution limx−>π2(tanx)cosx View Solution
Cos 280° is equal to 1) cos 80° 2) -cos 80° 3) cos 10° 4) -cos 10° Which expression is equivalent to tan(-110º)? 1) tan 20° 2) -tan 20° 3) tan 70° 4) -tan 20° Angle 8 is an angle in standard positi...
Cos 90 degrees is an important function used to find the solution of different trigonometric problems. However the first step is to be familiar with cos 90 degrees which includes how to represent cos 90 in terms of other trigonometric functions and trigonometric identities. Below are the following...
⇒ 2cos(80o+40o2)cos(80o−40o2)−cos20o [cosA+cosB=2cos(A+B2)cos(A−B2)] ⇒ 2cos(120o2)cos(40o2)−cos20o ⇒ 2cos60ocos20o−cos20o ⇒ 2×12cos20o−cos20o ⇒ cos20o−cos20o ⇒ 0 Was...
Share on X Share on Pinterest Cite How to Find the Cosine of an Angle In aright triangle, the cosine of angle α, or cos(α), is the ratio between the adjacent side of an angle and thehypotenuse. Cosine is one of the three primarytrigonometric functionsand is abbreviatedcos. ...
Derivativecos'x= - sinx Integral∫ cosxdx= sinx+C Euler's formulacosx= (eix+e-ix) / 2 Inverse cosine function Thearccosineof x is defined as the inverse cosine function of x when -1≤x≤1. When the cosine of y is equal to x: ...
What is the Value of Cos Pi (180°)? Value of Cos 180 Degree (π) is -1 How to derive the value of Cos 180 Degrees? The value of cos 180 degrees or the value of cos pi can be represented in terms of different angles like 0°, 90°and 270°. ...
Answer to: Prove that |cos x - cos y| less than or equal to |x - y| if x greater than or equal to 0. By signing up, you'll get thousands of...
If the value of limx→π6cos(x+π3)(1−√3tanx) is equal to λ, then the value of 120λ2 is equal to View Solution If a=∫10cos(sinx)secxdx, then the value of a2+cos2(sin1) is equal to View Solution Knowledge Check For the reaction, CO(g)+Cl2(g)⇔CoCl2(g), the ...