1) Cblevilos man \( 1 \sin (3 x)=-\operatorname{hin}^{\prime}(x)+\operatorname{sen}(x) \quad \left\lvert\, \quad \tan (3 x) \times \frac{1-3 \tan (x)}{\sin (x)-\tan (x)}\right. \) Montroc quil a) \( \cos ^{2}(A)+\cos ^{2}(B)+\cos ^{2}(C)=1-2 \cos (A) \cos (B) \cos (C) \) b) \( \sin (\lambda)+\sin (D)+\sin (C)=\operatorname{dos}\left(\frac{A}{2}\right) \cos \left(\frac{B}{2}\right) \cos \left(\frac{C}{2}\right) \) c) \( \cos (A)+\cos (D)+\cos (C)=1+4 \sin \left(\frac{A}{2}\right) \sin \left(\frac{B}{2}\right) \sin \left(\frac{C}{2}\right) \)
Real Tutor Solution
Answer
Solution
Sign in to Unlock Answers for Free!
A Learning Platform Trusted by Millions of Real Students and Teachers.
Reviewed and approved by the UpStudy tutoring team
Beyond the Answer
Have you ever wondered how trigonometric identities have shaped our understanding of the universe? These identities date back to ancient civilizations like the Greeks and Indians, who used them in astronomy and architecture. Mathematicians such as Ptolemy and Aryabhata were pivotal in developing these relationships, helping navigators chart their courses and builders design magnificent structures! It’s amazing to think that we’re still using the fundamentals they laid down thousands of years ago. Trigonometry isn’t just theoretical; it has real-world applications in fields as diverse as engineering, computer graphics, and even music! For instance, engineers rely on trigonometric functions to calculate forces and angles in structures. In computer graphics, these functions help create realistic animations and graphics by simulating waves and rotations. Want a practical example? Next time you’re enjoying a video game or a movie, remember that those stunning visuals are powered by the very same sine, cosine, and tangent functions that you see in trigonometric equations!