Advertisements
Advertisements
Question
Use tables to find the acute angle θ, if the value of cos θ is 0.9848
Advertisements
Solution
From the tables, it is clear that cos 10° = 0.9848
Hence, θ = 10°
RELATED QUESTIONS
If sec 4A = cosec (A− 20°), where 4A is an acute angle, find the value of A.
if `cos theta = 4/5` find all other trigonometric ratios of angles θ
A triangle ABC is right angles at B; find the value of`(secA.cosecC - tanA.cotC)/sinB`
Find the value of x, if sin x = sin 60° cos 30° + cos 60° sin 30°
Use tables to find sine of 47° 32'
Evaluate:
`(cos75^@)/(sin15^@) + (sin12^@)/(cos78^@) - (cos18^@)/(sin72^@)`
\[\frac{2 \tan 30°}{1 - \tan^2 30°}\] is equal to ______.
Prove that:
cos15° cos35° cosec55° cos60° cosec75° = \[\frac{1}{2}\]
Evaluate: `3(sin72°)/(cos18°) - (sec32°)/("cosec"58°)`.
In ∆ABC, cos C = `12/13` and BC = 24, then AC = ?
