The values of and In this problem we need to find and Hence to get angle we need to choose the value of A and B such that So If we choose and Then we get, Therefore by substituting and in equation (1) We get, Therefore, …… (3) Now we know that, , , Now by substi...
Value ofsin15∘is : View Solution Find the value ofsin(105∘) View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP Boar...
Tan 15 degrees is the value of tangent trigonometric function for an angle equal to 15 degrees. Understand methods to find the value of tan 15 degrees with examples and FAQs.
we choose each side to be length 2. When you bisect an angle, you get 30 degrees and the side opposite is 1/2 of 2, which gives you 1. Using that right triangle, you get exact answers for sine of 30°, and sin 60° which are 1/2...
Sin 105 degrees is the value of sine trigonometric function for an angle equal to 105 degrees. Understand methods to find the value of sin 105 degrees with examples and FAQs.
Click here to get the value of sin 18 degrees and sin 18 radians. Also, learn how to find the value of sin 18 degrees using trigonometry functions, here at BYJU’S today!
Cos 120°: ValueIn order to find the value of cos 120°, students need to draw a right-angled triangle (refer to the image below) and can use either of the two formulas i.e, cos (180° –θ) = – cosθ or cos (90° + θ) = – sinθ....
If sin x + sin y = a, cos x - cos y = b then the value of tan ((y-x)/2... 04:05 Find the value of sin^(2)5^(@)+ sin^(2)10^(@)+ sin^(2)15^(@)+* * * +si... 02:45 The numerical value of cos 2pi/7 + cos 4pi/7 + cos 6pi/7 is=... 03:22 The ...
{eq}\sin \frac{\theta}{2} {/eq} Question: Use the below figure to find the exact value of the following trigonometric function. {eq}\sin \frac{\theta}{2} {/eq} Half-Angle Identities: In accordance with the name, the half-angle identities help us ...
Evaluating the values: Here we given the equation and we have to evaluate the value of a by putting the appropriate values in the given equation. We have used the value of {eq}\arccos 0 =\dfrac{\pi}{2} {/eq} Answer and Explanation:1 ...