Find the approximate value of the given trigonometric function by using (a) the figure and (b) a calculator. Compare the two values.cos5 相关知识点: 试题来源: 解析 0.3. \number{0.28366}. Consider a unit circle marked in radians (one radian is a little over 57°).We can use the ...
Findfgiven thatf‴(x)=cosx,f(0)=4,f′(0)=6,f″(0)=9 Differentiation in calculus: To solve this problem, we'll integrate the given function since integration is a process of finding a function when it's derivative is given, which is also called anti-differentiatio...
If the coordinates of a point on the terminal ray are known or given, then the values of corresponding sine, cosine and tangent functions can be easily found. The corresponding formulas are given as follows: cosθ=xx2+y2sinθ=yx2+y2tanθ=yx...
百度试题 结果1 题目 Find the exact value of cos (x + y), given sin x= cosy=4/5 x is an angle in Quad-rant I, and y is an angle in Quadrant I. Do not use a calculator. 相关知识点: 试题来源: 解析 -1 反馈 收藏 ...
cos (x), tan (x), sin (x) inthe interval [0, 1]. 3 件のコメント 1 件の古いコメントを表示 Matt Kindig2013 年 5 月 28 日 This isn't a Matlab question. Walter Roberson2013 年 5 月 28 日 What is tg(x) ? 回答(1 件) ...
To find the value of sin(A), use the formula sin(A) = √(1 - cos²(A)). You can also use a calculator to find the sine of the angle. 5. Can I find the value of tan(A) using only the given value of cos(A)? No, you cannot find the value of tan(A)...
Find the exact value of the trigonometric function given that {eq}\textrm{sin}\;u=-\frac{7}{25} {/eq} and {eq}\textrm{cos}\;v=-\frac{4}{5} {/eq}. (Both u and v are in Quadrant III.) {eq}cot(v-u) {...
2 (a) It is given that t a n(A+B)=8andtan B =2. Without using a calculator,find the exact value of cot A .[3] (b) (i) Prove that sin 2.x(cot x-tan x)=2 cos 2.x.[3] (ii) Hence solve the equation sin 2.x(cot x-tan x)=sec 2x for 0≤xn.[4] ...
Use the reference angle to find the exact value of the expression. cos 210 degrees Use a reference angle to find the exact value of the following expression. cos (300 degrees) Use the reference angle to find the exact value of the given expression. \sin(-315^\circ) ...
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