Advertisements
Advertisements
प्रश्न
Use tables to find the acute angle θ, if the value of sin θ is 0.6525
Advertisements
उत्तर
From the tables, it is clear that sin 40° 42' = 0.6521
sin θ − sin 40° 42' = 0.6525 ; 0.6521 = 0.0004
From the tables, diff of 2' = 0.0004
Hence, θ = 40° 42' + 2' = 40° 44'
APPEARS IN
संबंधित प्रश्न
`\text{Evaluate }\frac{\tan 65^\circ }{\cot 25^\circ}`
Show that : `sin26^circ/sec64^circ + cos26^circ/(cosec64^circ) = 1`
Express the following in terms of angles between 0° and 45°:
cos74° + sec67°
Evaluate:
`sin80^circ/(cos10^circ) + sin59^circ sec31^circ`
Evaluate:
`cos70^circ/(sin20^circ) + cos59^circ/(sin31^circ) - 8 sin^2 30^circ`
Find the value of x, if cos (2x – 6) = cos2 30° – cos2 60°
Use trigonometrical tables to find tangent of 37°
If A + B = 90° and \[\cos B = \frac{3}{5}\] what is the value of sin A?
If 5θ and 4θ are acute angles satisfying sin 5θ = cos 4θ, then 2 sin 3θ −\[\sqrt{3} \tan 3\theta\] is equal to
In the given figure, if AB = 14 cm, BD = 10 cm and DC = 8 cm, then the value of tan B is ______.
