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...
Find the value of cos 30 degree. Find the value of cos x - 4 tan x if sin x = 3/5. If \tan \theta = \frac{4}{3}, \ 0 \leq \theta \leq \frac{\pi}{2} , then find the exact value of: a) \sin \theta , b) \cos \theta , c) \sec \t...
Trig Functions | Sine, Cosine & Tangent from Chapter 4/ Lesson 6 131K Understand trigonometric functions such as sine, cosine, and tangent. Be familiar with their mnemonic, their formula, and their graphs through the given examples. Related to this Question ...
Since is in the first quadrant, the sine of that angle must be positive. Community Q&A Question How do I find the exact value of sine 600? Donagan Top Answerer 600° = 60° when considering trig functions. [600 - (3)(180) = 60] Sine 600° = sine 60° = 0.866. Not ...
There are many such trigonometric identities to help us evaluate the trig functions of sums, differences, products, quotients, etc.Answer and Explanation: There are different trigonometric identities we can use to evaluate this. Let's try the cosine half angle identity: $$\mathrm{cos}\left(\...