Advertisements
Advertisements
प्रश्न
Express the following in term of angles between 0° and 45° :
cos 74° + sec 67°
Advertisements
उत्तर
cos 74° + sec 67°
= cos(90° – 16°) + sec(90° – 23°)
= sin 16° + cosec 23°
APPEARS IN
संबंधित प्रश्न
Evaluate.
sin235° + sin255°
Evaluate:
`sec26^@ sin64^@ + (cosec33^@)/sec57^@`
Evaluate:
`(5sin66^@)/(cos24^@) - (2cot85^@)/(tan5^@)`
If \[\tan \theta = \frac{4}{5}\] find the value of \[\frac{\cos \theta - \sin \theta}{\cos \theta + \sin \theta}\]
If \[\frac{x {cosec}^2 30°\sec^2 45°}{8 \cos^2 45° \sin^2 60°} = \tan^2 60° - \tan^2 30°\]
If x tan 45° cos 60° = sin 60° cot 60°, then x is equal to
If θ and 2θ − 45° are acute angles such that sin θ = cos (2θ − 45°), then tan θ is equal to
In the following figure the value of cos ϕ is
If sin θ =7/25, where θ is an acute angle, find the value of cos θ.
Express the following in term of angles between 0° and 45° :
sin 59° + tan 63°
