Advertisements
Advertisements
प्रश्न
Use tables to find cosine of 65° 41’
संख्यात्मक
Advertisements
उत्तर
cos 65° 41’ = cos (65° 36’ + 5’)
= 0.4131 − 0.0013
= 0.4118
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 21: Trigonometrical Identities - Exercise 21 (D) [पृष्ठ ३३१]
APPEARS IN
संबंधित प्रश्न
Evaluate.
sin235° + sin255°
Evaluate.
`cos^2 26^@+cos65^@sin26^@+tan36^@/cot54^@`
Evaluate:
`sin80^circ/(cos10^circ) + sin59^circ sec31^circ`
Use tables to find sine of 62° 57'
Use tables to find sine of 10° 20' + 20° 45'
What is the maximum value of \[\frac{1}{\sec \theta}\]
If 3 cot θ = 4, find the value of \[\frac{4 \cos \theta - \sin \theta}{2 \cos \theta + \sin \theta}\]
If x sin (90° − θ) cot (90° − θ) = cos (90° − θ), then x =
Evaluate: cos2 25° - sin2 65° - tan2 45°
The value of tan 72° tan 18° is
