0 votes
in Trigonometry by (37 points)
3. \( \sin \left(\frac{\pi}{2}+\theta\right) \cdot \cos \left(\frac{3 \pi}{2}+\theta\right) \cdot \tan \left(\frac{5 \pi}{2}+\theta\right) \cdot \cot \left(\frac{7 \pi}{2}+\theta\right) \) is equal to (1) \( -\sin ^{2} \theta \) (2) \( -\cos ^{2} \theta \) (3) \( \sin \theta \cdot \cos \theta \) (4) \( -\sin \theta \cdot \cos \theta \)

Please log in or register to answer this question.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.