Exact value of csc 225
WebJan 8, 2010 · 2 answers. It will have the same sign as 1/csc225 = sin 225, which is negative in the third quadrant. The absolute value is the same as that of reference angle to the 180 degree, -x axis, which is 45 degrees. csc 45 = 1/sin 45 = sqrt 2. The value of csc 225 is therefore. -sqrt2 = -1.414. WebSep 29, 2015 · #csc (240) = 1/(sin (240))#.Find sin (240) Use the trig identity: sin (a + b) = sin a.cos b + sin b.cos a sin (240) = sin (180 + 60) = = sin 180.cos 60 + sin 60.cos ...
Exact value of csc 225
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WebSolve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. WebTrigonometry. Find the Exact Value sec (225) sec(225) sec ( 225) Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression …
WebOct 7, 2024 · In this video, we learn to find the value of csc225. Here I have applied cosec(180 + x) = -sec(x) identity to find the value of csc225. The URL of the video ... WebDetermine angle type: 315 is an obtuse angle since it is greater than 90°. sin (315) = -√ 2 /2. In Microsoft Excel or Google Sheets, you write this function as =SIN (RADIANS (315))
Web13. Actvity 2. Use scientific calculator to find the value of each of the following. Round off your answer in nearest hundredths. 1. sin 202. sin 1603. sin 904. sin 1255. sin 806. sin 507. sin 1308. sin 1009. sin 4510. sin 30 14. If sin a = 4/5 a in quadrant ii sin b = 7/25 b in quadrant i find sin (a + b) 15. WebJun 16, 2015 · csc 30 = 2 sin 30 = 1/2 csc 30 = 1/sin 30 = 1:(1/2) = 2. How do you use the ordered pairs on a unit circle to evaluate a trigonometric function of any angle?
WebThe value of cos 11pi/6 can be calculated by constructing an angle of 11π/6 radians with the x-axis, and then finding the coordinates of the corresponding point (0.866, -0.5) on the unit circle. The value of cos 11pi/6 is equal to the x … first power fp1270WebJun 8, 2024 · Fourth Value for #csc(u - v) = 1/((cancel5/13 xx-3/cancel5 )- (-4/5 xx -12/13)) = 1/(-3/13 + 48/65) = 1/((48 - 15)/65) = 65/33# We can see First and Third and Second … first powWebDec 19, 2014 · The exact value of csc -420 degrees (Find the exact value of each trigonometric funtion) Ask Question Asked 8 years, 3 months ago. ... Use identities to … firstpower fp1290WebThe angle line, COT line, and CSC line also forms a similar triangle.-----When you graph the tangent function place the angle value on the x-axis and the value of the tangent on the y-axis. At the angle of 0 degrees the value of the tangent is 0. At 45 degrees the value is 1 and as the angle nears 90 degrees the tangent gets astronomically large. firstpower fp1270WebAt 90º and at 270º the cosθ value is equal to 0 and hence the tan values at these angles are undefined. Example: Find the value of tan 45º using sin and cos values from the unit circle. Solution: We know that, tan 45° = sin 45°/cos 45° Using the unit circle chart: sin 45° = 1/√2 cos 45° = 1/√2. Therefore, tan 45° = sin 45°/cos 45° first potus in white houseWebFinding the exact value of the sine, cosine, or tangent of an angle is often easier if we can rewrite the given angle in terms of two angles that have known trigonometric values. We … firstpower fp1250WebSin 60 degrees is the value of sine trigonometric function for an angle equal to 60 degrees. Understand methods to find the value of sin 60 degrees with examples and FAQs. ... Since, sin 60° = 1/csc 60° ... The exact value of sin 60 degrees can be given accurately up to 8 decimal places as 0.86602540 and √3/2 in fraction. firstpower fp645