Mathematics
Evaluate :
sin2 35° - cos2 55°
Trigonometric Identities
21 Likes
Answer
sin2 35° - cos2 55°
= sin2 (90° - 55°) - cos2 55°
= cos2 55° - cos2 55°
= 0
Hence, sin2 35° - cos2 55° = 0.
Answered By
12 Likes
|
Evaluate :
sin2 35° - cos2 55°
21 Likes
sin2 35° - cos2 55°
= sin2 (90° - 55°) - cos2 55°
= cos2 55° - cos2 55°
= 0
Hence, sin2 35° - cos2 55° = 0.
Answered By
12 Likes