1.

Q: Find the value of $$\left({sin 35°\over cos55°} \right)^2+\left({cos55°\over sin 35°} \right)^2 \ -2 sin^{3}30°$$

A. $${7\over5}$$
B. $${7\over4}$$
C. 0
D. $${5\over7}$$
Answer» C. 0


Discussion

No Comment Found