trigonometry

Question: ${{\sin }^{2}}\frac{\pi }{8}+{{\sin }^{2}}\frac{3\pi }{8}+{{\sin }^{2}}\frac{5\pi }{8}+{{\sin }^{2}}\frac{7\pi }{8}=$

1) 1

2) – 1

3) 0

4) 2

Solution:

Explanation: No Solution

Fundamental trigonometrical ratios and functions Trigonometrical ratio of allied angles

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)