
How do you simplify #tan(x) cos(x)#? - Socratic
2015年9月22日 · Use the fact that tan(x) = sin(x)/cos(x) tanxcons = sinx/cosx *cosx/1 = sinx
Express tan θ in terms of cos θ? - Socratic
2018年3月11日 · Express tan θ in terms of cos θ? Trigonometry. 1 Answer Jim G. Mar 11, 2018 ...
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: …
How do you simplify #tan(cos^(-1)x)#? - Socratic
2016年4月27日 · Let a=cos^(-1)x. Then x= cos a and tan a=sina/cos a=+-(sqrt(1-x^2)/x) Answer:+-(sqrt(1-x^2)/x) .
Basic Trigonometric Functions - Trigonometry - Socratic
The six basic trigonometric functions are: 1. Sine, #sintheta# 2. Cosine, #costheta# 3. Tangent, #tantheta# 4. Cotangent, #cott
Fundamental Identities - Trigonometry - Socratic
"The fundamental trigonometric identities" are the basic identities: •The reciprocal identities •The pythagorean identities
What is #tan(45)#, #sin(45)# and #cos(45)#? - Socratic
2017年11月17日 · tan(45^@)=1 sin(45^@)=sqrt2/2 cos(45^@)=sqrt2/2 45^@ is a special angle, along with 30^@, 60^@, 90^@, 180^@, 270^@, 360^@. tan(45^@)=1 sin(45^@)=sqrt2/2 …
How do you simplify #sin(x) tan (x) + cos (x)#? - Socratic
2016年3月26日 · sin(x)tan(x)+cos(x)=sec(x) sin(x)tan(x)+cos(x) = sin(x)sin(x)/cos(x)+cos(x) =sin^2(x)/cos(x)+cos(x) =sin^2(x)/cos(x)+cos^2(x)/cos(x) =(sin^2(x)+cos^2(x))/cos(x) =1 ...
What does sec x equal in terms of sin, cos, and/or tan?
2015年9月15日 · sec alpha=1/cos alpha This comes straight from the definition. Secans is defined as inverse of cosine.
How do you find the exact value of #tan(cos^-1(sqrt2/2))
2016年8月23日 · How do you find the exact value of #tan(cos^-1(sqrt2/2))#? Trigonometry Inverse Trigonometric Functions Basic Inverse Trigonometric Functions