Example 2: Find the value of sin 45° if cosec 45° is 1.4142. Solution: Since, sin 45° = 1/csc 45° ⇒ sin 45° = 1/1.4142 = 0.7071 Example 3: Find the value of 5 sin(45°)/7 cos(45°). Solution: Using trigonometric identities, we know, sin(45°) = cos(90° - 45...
cos 120 degree cos 30 degree + sin 120 degree sin 30 degree Find the exact value of the expression. sin 120 cos 60 - cos 120 sin 60 Find the exact value of the expression sin ( 100 o ) cos ( 55 o ) cos ( 100 o ) sin ( 55 o ) Find the exact value of the ...
The value of cos 60 degrees can be calculated by constructing anangleof 60° with thex-axis, and then finding the coordinates of the corresponding point (0.5, 0.866) on theunit circle. The value of cos 60° is equal to the x-coordinate (0.5). ∴ cos 60° = 0.5. What is the Valu...
Sin 45 ° = AB/AC Sin 45° = 12 So, the exact value of Sin 45 degree is 12 The exact value of Sin 45 degree in decimal form is 0.7071067812. Here are some Sine Formulas according to Compound Angles: Sin(α+β)=Sinα+Cosβ+Cosβ+Sinβ Sin(α−β)=Sinα−Cosβ−Cosβ−...
Find the exact values of the six trigonometric functions for the following angle: sin 30 degree. Find the exact value of sin(-105 degrees). Find the exact value of: cos (780 degrees). Find the exact value of the expression cos 30 degrees + sin 45 degrees ...
The cos 60 value in fraction is ½. Cos 60 = ½ 3. What is the value of cos 60 in decimal form? Since the value of cos 60 degree in fraction is Cos 60 = ½, The cos 60 value in the decimal form is 0.5. Cos 60 = 0.5. 4. What is Trigonometry and define the value ...
Value of Cos 120 degree can be calculated using other trigonometric angles 90 degrees and 180 degrees. These cosine values can be gained from the trigonometric table.
Knowing the trig values of 15 degrees is useful for solving many problems. What is value of cos 15? cosine of an angle is the ratio of the length of the side adjacent to the angle to the length of the hypotenuse. Using a 15 degree right triangle with hypotenuse 1 and opposite side ...
Therefore, the length of the side, XZ = 20 cm. Example 2: How do I find the value of sin(-30)? Solution: Sin (-30) = – Sin (30) Sin 30 = ½ Therefore sin (-30) = – ½ . Related Links Cos 30 Degree Value of Sin 180 Sin 60 Degree Sin 30 Sin Cos Tan Values Cos...
2.1.1659 Part 1 Section 22.1.2.27, degHide (Hide Degree) 2.1.1660 Part 1 Section 22.1.2.28, den (Denominator) 2.1.1661 Part 1 Section 22.1.2.30, dispDef (Use Display Math Defaults) 2.1.1662 Part 1 Section 22.1.2.32, e (Element (Argument)) 2.1.1663 Part 1 Section 22.1.2.34...