Evaluate : 3 cos 80° cosec 10° + 2 sin 59° sec 31°

Question

KnowledgeBoat · Accepted Answer

3 cos 80° cosec 10° + 2 sin 59° sec 31° = 3 cos (90° - 10°) cosec 10° + 2 sin (90° - 31°) sec 31° = 3 sin 10° cosec 10° + 2 cos 31° sec 31° = = = 3 + 2 = 5 Hence, 3 cos 80° cosec 10° + 2 sin 59° sec 31° = 5.

Mathematics

Evaluate :
3 cos 80° cosec 10° + 2 sin 59° sec 31°

Trigonometric Identities

Related Questions

Evaluate :
tan (55° - A) - cot (35° + A)

Mathematics

Evaluate :3 cos 80° cosec 10° + 2 sin 59° sec 31°

Trigonometric Identities

Related Questions

Evaluate :tan (55° - A) - cot (35° + A)

Evaluate :
3 cos 80° cosec 10° + 2 sin 59° sec 31°

Evaluate :
tan (55° - A) - cot (35° + A)