Advertisements
Advertisements
प्रश्न
Use tables to find cosine of 2° 4’
Advertisements
उत्तर
cos 2° 4’ = 0.9994 − 0.0001 = 0.9993
संबंधित प्रश्न
If `cosθ=1/sqrt(2)`, where θ is an acute angle, then find the value of sinθ.
Evaluate cosec 31° − sec 59°
Prove the following trigonometric identities.
(cosecθ + sinθ) (cosecθ − sinθ) = cot2 θ + cos2θ
Evaluate.
sin235° + sin255°
Evaluate:
3 cos 80° cosec 10° + 2 cos 59° cosec 31°
If θ is an acute angle such that \[\tan^2 \theta = \frac{8}{7}\] then the value of \[\frac{\left( 1 + \sin \theta \right) \left( 1 - \sin \theta \right)}{\left( 1 + \cos \theta \right) \left( 1 - \cos \theta \right)}\]
The value of tan 10° tan 15° tan 75° tan 80° is
Choose the correct alternative:
If ∠A = 30°, then tan 2A = ?
In ∆ABC, `sqrt(2)` AC = BC, sin A = 1, sin2A + sin2B + sin2C = 2, then ∠A = ? , ∠B = ?, ∠C = ?
In the given figure, if AB = 14 cm, BD = 10 cm and DC = 8 cm, then the value of tan B is ______.
