题目Use the image below to answer the following question.Find the value of sin xo and cos y. What relationship do the ratios of sin xo and cos yoshare?P x°4y°○3 相关知识点: 试题来源: 解析 sin*3/5 . cosy=3/5 反馈 收藏
What is the value of {sin(90+x)cos(π−(x−y))]}+{cos(90+x)sin[π−(x−y)]}? A−cosy B−siny Ccos x Dtan ySubmit What is the value of [sin(90−A)+cos(180−2A)]/[cos(90−2A)+sin(180−A)]? Asin(A/2) cos A Bcot (A/2) Ctan (A/2) Dsin A...
Now, we square the value ofcos60∘: cos260∘=(12)2=14 Step 3: Findsin30∘ Next, we know that: sin30∘=12 Step 4: Calculatesin230∘ Now, we square the value ofsin30∘: sin230∘=(12)2=14 Step 5: Addcos260∘andsin230∘ ...
Let us consider an equilateral triangle ABC having all the angles as 60 degrees. Now, the question is what is the value of sin 30 and what is the opposite of sin ? Hence to find the answer of sin 30 value we need to know the length of all the sides of the triangle. So, let us...
Sin 300 degrees is the value of sine trigonometric function for an angle equal to 300 degrees. Understand methods to find the value of sin 300 degrees with examples and FAQs.
2. What are the 6 trigonometric functions of 180? Sin 180 degrees = 0. Cos 180 degrees = −1. Tan 180 degrees = 0. Sec 180 degrees = −1. Cot 180 degrees = Undefined 3. What is the value of Cos 180 degrees? We know that the exact value of cos 0 degrees is 1. So, cos...
The value of sin, cos, and tan of some angles are equal to the values of sin, cos, and tan of other angles. Let us take an example of cos(-30⁰). Since 30 degrees lie in the first quadrant we can say that cos(-30⁰) is equal to cos(30⁰) because all the angles in ...
Value of cos 180 degrees can be obtained with the help of unit circle and trigonometric sin and cos functions from other angles like 0, 90, and 270 degrees. Learn cosine pi (π) value with derivation at BYJU'S.
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...
Example22:Find the value of cos420°·tan60°·sec45°+sin45°·cot30°·csc450°.Example 22:Find the value of cos 420°·tan 60°· sec 45°+sin 45°·cot 30°·csc 450°. 相关知识点: 试题来源: 解析 Solution-|||-cos420°tan60°sec45°+sin45°cot30°csc450°-|||-=cos(360...