Advertisements
Advertisements
प्रश्न
Use tables to find the acute angle θ, if the value of cos θ is 0.9574
Advertisements
उत्तर
From the tables, it is clear that cos 16° 48’ = 0.9573
cos θ − cos 16° 48’ = 0.9574 − 0.9573 = 0.0001
From the tables, diff of 1’ = 0.0001
Hence, θ = 16° 48’ − 1’ = 16° 47’
संबंधित प्रश्न
Evaluate.
sin235° + sin255°
Show that : sin 42° sec 48° + cos 42° cosec 48° = 2
Use trigonometrical tables to find tangent of 37°
Prove that:
tan (55° - A) - cot (35° + A)
If \[\tan A = \frac{5}{12}\] \[\tan A = \frac{5}{12}\] find the value of (sin A + cos A) sec A.
If θ is an acute angle such that \[\tan^2 \theta = \frac{8}{7}\] then the value of \[\frac{\left( 1 + \sin \theta \right) \left( 1 - \sin \theta \right)}{\left( 1 + \cos \theta \right) \left( 1 - \cos \theta \right)}\]
Express the following in term of angles between 0° and 45° :
sin 59° + tan 63°
The value of tan 72° tan 18° is
`(sin 75^circ)/(cos 15^circ)` = ?
`tan 47^circ/cot 43^circ` = 1
