View Solution The value ofcos−1(cot(π2))+cos−1(sin(2π3))is View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium NCERT Solutions for Class 10 English Medium ...
Step by step video & image solution for What is the value of cos(pi/4-x)cos(pi/4-y)-sin(pi/4-x)sin(pi/4-y)? by Maths experts to help you in doubts & scoring excellent marks in Class 11 exams. Updated on:21/07/2023
If {eq}sin\ \theta =\frac{8}{12} {/eq}, what is the value of {eq}cos\ \theta {/eq}? Pythagorean Theorem: The Pythagorean theorem is able to relate the square of the hypotenuse (c) of a right triangle with the sum of the squares of the legsaandbor: ...
cos 37 in fraction? Solution Find the value of cos 37° in fraction. In a triangle, a cosine function is one of the trigonometric functions that is equal to the ratio of the adjacent side and the hypotenuse i.e.cos θ=baseheight cos 37°≃0.8 ⇒cos 37°=810⇒cos 37°=45 ...
【求甜甜圈体积】What's the Volume of a Donut A Calculus Problem Aha灵机一动啊 1.4万 10 高二A+第一讲4 上心1268 3081 0 贝叶斯定理:一种修正认知的科学思维方式 -探索人类- 878 3 数学界最重要难题,快要破解了吗? 量子位 45.7万 563 What is Mathematics?【转、书评】 Aha灵机一动啊 540 ...
3)9/64 Half-Angle formula: cos(x)=2cos(x/2)^2-1 In this question: cos(x/2)^2 = 5/16 So: cos(x) = 2(5/16)-1=-3/8 So: (cos(x))^2=(-3/8)^2=9/64
What is the value of sin(10)*cos(20)*sin(30)*cos(40)*sin(50)*cos(60)*sin(70)*cos(80)?Trigonometric Ratios:In mathematics, trigonometric ratios are involving the ratios of various side lengths in relation to the angle of the right-angle triangle. The trigon...
【题目】If you are given the value of cose and want the exact value of cos(2θ), what form of the Double-angle Formula for cos(20) is most efficient touse? 相关知识点: 试题来源: 解析 【解析】cos(2θ)=2cos^2θ-1 反馈 收藏 ...
Cos (cosine) is basic trigonometric function used to determine the ratio between the adjacent side and hypotenuse of right triangle, while cosh (hyperbolic cosine) relates to the sum of the exponential functions e^x and e^-x, used in hyperbolic geometry. ...
Now sin 18° is positive, as 18° lies in first quadrant. Therefore, sin 18° = sin A = −1±5√4 sin18∘co72∘ Q. Value of sin 18 Q.The value ofsin78∘−sin18+cos132∘is Q.Find the value : sin78∘−sin18∘+sin30∘−sin42∘ ...