cot 90 value Find cot 90 Ans zero On the trig unit circle cot 90 0 Prove another way cot x cos x sin x cos 90 0 therefor cot 90 0
What quadrant does cot 325 lie in and what is the sign How do you use use quotient identities to explain why the tangent and cotangent function have How do you show that 1 tan 2 theta sec 2 theta How do you find the trigonometric functions of any angle Well I guess you could use a special representation of the function through a sum of terms also known as Taylor Series It is basically what happens in your pocket calculator when you evaluate for example sin 30 Your calculator does this sin theta theta theta 3 3 theta
cot 90 value
cot 90 value
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1 Answer To find the value of cot300 you will first need to write the angle as the sum of difference of two angles one of which is either 90 180 270 or 360 Note Remember that when you write it with 90 or 270 the fuction will change to it s co function in this case to tan Let s first look at the two easiest ways to This is because as 90 tan csc 90 1 1 1 sec 90 1 0 This is also undefined division by zero cot 90 This is also undefind because tan 90 is undefined Answer link color blue csc 90 1 Identities color red bb cotx 1 tanx color red bb cscx 1 sinx color red bb secx 1 cosx We
1 Answer We know that tan 90 a sin 90 a cos 90 a sin90 cosa cos90 sina cos90 cosa sin90 sina cosa sina cota Note sin90 1 cos90 0 Cot0 is indeterminate not defined tan0 0 Also cot theta 1 tan theta That would give us cot0 1 0 which is an indeterminate form We can also see that the graph of the cotangent function near 0 has values that tend to infinity
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Trigonometric identities are equations involving the trigonometric functions that are true for every value of the variables involved Each of the six trig functions is equal to its co function evaluated at the complementary angle The Trigonometric Identities are equations that are true for Right Angled Triangles Periodicity of trig functions It depends on what you do want to use I assume that you actually mean to ask about cot 90 There is no nice way to express the exact value of cot 90 If you know the following then there is no need to use the unit circle cot A cosA sinA sin A sin A and cos A cos A sin 90 1 and cos 90 0 We get cot 90 cos 90 sin 90
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