Advertisements
Advertisements
प्रश्न
Use tables to find the acute angle θ, if the value of sin θ is 0.4848
उत्तर
From the tables, it is clear that sin 29° = 0.4848
Hence, θ = 29°
APPEARS IN
संबंधित प्रश्न
Without using trigonometric tables, evaluate the following:
`(\sin ^{2}20^\text{o}+\sin^{2}70^\text{o})/(\cos ^{2}20^\text{o}+\cos ^{2}70^\text{o}}+\frac{\sin (90^\text{o}-\theta )\sin \theta }{\tan \theta }+\frac{\cos (90^\text{o}-\theta )\cos \theta }{\cot \theta }`
Prove the following trigonometric identities.
`((1 + cot^2 theta) tan theta)/sec^2 theta = cot theta`
if `sqrt3 tan theta = 3 sin theta` find the value of `sin^2 theta - cos^2 theta`
Use tables to find sine of 47° 32'
Use tables to find the acute angle θ, if the value of cos θ is 0.6885
If the angle θ = –45° , find the value of tan θ.
If tanθ = 2, find the values of other trigonometric ratios.
If \[\tan A = \frac{3}{4} \text{ and } A + B = 90°\] then what is the value of cot B?
Without using trigonometric tables, prove that:
sec70° sin20° + cos20° cosec70° = 2
If x and y are complementary angles, then ______.