In a right-angled triangle PQR, ∠Q = 90°. If ∠P = 45°, then value of tan P – cos2R is
A. 0
B. 1
C. 1/2
D. 3/2
Answer:C
In a right-angled triangle PQR, ∠Q = 90°. If ∠P = 45°, then value of tan P – cos2R is
A. 0 B. 1 C. 1/2 D. 3/2