What is Sine, Cosine and Tangent? - Socratic
2018年3月31日 · Sine, Cosine and Tangent are the names of three of the comparisons between the lengths of the sides of a right-angled triangle. Trigonometry deals with the sides and …
Why does tan equal to sin/cos? - Socratic
2015年4月15日 · The best answer to this question depends on the definitions you're using for the trigonometric functions: Unit circle: t correspond to point (x,y) on the circle x^2+y^2 =1 Define: …
Is sine, cosine, tangent functions odd or even? | Socratic
2015年2月28日 · y = cos x is always going to be even, because cosine is an even function. For example, cos #pi/4# in the first quadrant is a positive number and cos #-pi/4# (same as cos …
Solved Evaluate the sine, cosine, and tangent of the angle - Chegg
(If an answer is undefined, enter UNDEFINED.) 135 sine. cose. tan DETAILS 22. [-/3 Points] LARPCALCIOCR 4.4.065. MY NOTES PRACTICE ANOTHE Evaluate the sine, cosine, and …
How do you evaluate sine, cosine, tangent of - Socratic
2017年1月29日 · See explanation. First let's calculate sin(-150) sin(-150)=-sin150 we can write this, because sinx is an odd function. -sin150=-sin(180-30)=-sin30=-1/2 Now we can calculate …
Solved Write the expression as the sine, cosine, or | Chegg.com
Question: Write the expression as the sine, cosine, or tangent of an angle. Then find the exact value of the expression.StartFraction tangent 40 degrees plus tangent 20 degrees …
Write the expression as the sine, cosine, or tangent of an angle?
2017年6月7日 · Write the expression as the sine, cosine, or tangent of an angle? tan 4x+tan x/1-tan4x tan x.
What is the sine, cosine, & tangent of 270 degrees? | Socratic
2017年10月12日 · sin(270^o) = -1, cos (270^0) = 0, tan (270^0)= undefined. Consider the unit circle (a circle with radius 1). On the unit circle as graphed on an xy coordinate plane, with 0 …
Trigonometric Functions of Any Angle - Trigonometry - Socratic
How do you evaluate the sine, cosine, and tangent of the angle θ = −10π/3 without using a calculator? What is the sine, cosine, & tangent of 270 degrees? How do you find the exact …
Solved Write the expression as the sine, cosine, or | Chegg.com
Question: Write the expression as the sine, cosine, or tangent of an angle. Then find the exact value of the expression.StartFraction tangent 25 degrees plus tangent 20 degrees …