The value of cos 225 degrees is -0.7071067. . .. Cos 225 degrees in radians is written as cos (225° × π/180°), i.e., cos (5π/4) or cos (3.926990. . .).
What is the exact value of cos 240?
The value of cos 240 degrees is -0.5.
The value of cos 315° is equal to the x-coordinate (0.7071). ∴ cos 315° = 0.7071.
What is the exact value of cos 135?
The exact value of cos(135°) is -√(2) / 2.
The exact value of cos 300 degrees is 0.5.
What is the exact value of cos 330?
FAQs on Cos 330 Degrees
The value of cos 330° is equal to the x-coordinate (0.866). ∴ cos 330° = 0.866.
What is the exact value of tan 45?
What is the Exact Value of tan 45 Degrees? The exact value of tan 45 degrees is 1.
The exact value of cos 45 degrees is 1/√2 (in surd form), which is also equal to sin 45 degrees. It is an irrational number, equal to 0.7071067812… in decimal form. The approximate value of cos 45 is equal to 0.7071.
What is the exact value of cos15?
Answer: The value of cos 15° = (√3+1)/2√2.
What is the exact value of tan 9pi 8 )?
tana=tan(9π8)=−1−√2 (Quadrant III).
What is the value of sin 270 Theta?
We know the trigonometric identity sin(270∘+θ)=−cosθ. Hence, the sine of 270 degrees is -1.
Tan 480 degrees can also be expressed using the equivalent of the given angle (480 degrees) in radians (8.37758 . . .) ⇒ 480 degrees = 480° × (π/180°) rad = 8π/3 or 8.3775 . . . Explanation: For tan 480°, the angle 480° > 360°.
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