Advertisements
Advertisements
Question
Evaluate the following: cosec 54° - sec 36°
Solution
cosec 54° - sec 36°
= cosec(90° - 36°) - sec36°
= sec36° - sec36°
= 0.
APPEARS IN
RELATED QUESTIONS
Solve the following equation for A, if sin 3 A = `sqrt3 /2`
If sin 3A = 1 and 0 < A < 90°, find sin A
Solve the following equations for A, if `sqrt3` tan A = 1
Solve the following equation for A, if tan 3 A = 1
If θ = 15°, find the value of: cos3θ - sin6θ + 3sin(5θ + 15°) - 2 tan23θ
If `sqrt(3)` sec 2θ = 2 and θ< 90°, find the value of
cos2 (30° + θ) + sin2 (45° - θ)
Evaluate the following: sin31° - cos59°
Express each of the following in terms of trigonometric ratios of angles between 0° and 45°: tan77° - cot63° + sin57°
Evaluate the following: tan(78° + θ) + cosec(42° + θ) - cot(12° - θ) - sec(48° - θ)
Evaluate the following: `(3sin^2 40°)/(4cos^2 50°) - ("cosec"^2 28°)/(4sec^2 62°) + (cos10° cos25° cos45° "cosec"80°)/(2sin15° sin25° sin45° sin65° sec75°)`