If tan A = \(\frac{3}{4}\), then sin2A – cos2A is equal to : (1)
A. 1
B. \(\frac{-7}{25}\)
C. \(\frac{7}{25}\)
D. \(\frac{3}{25}\)
Answer:B
If tan A = \(\frac{3}{4}\), then sin2A – cos2A is equal to : (1)
A. 1 B. \(\frac{-7}{25}\) C. \(\frac{7}{25}\) D. \(\frac{3}{25}\)