Advertisements
Advertisements
Question
Evaluate:
cosec (65° + A) – sec (25° – A)
Evaluate
Advertisements
Solution
cosec (65° + A) – sec (25° – A)
= cosec [90° – (25° – A)] – sec (25° – A)
= sec (25° – A) – sec (25° – A)
= 0
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
If tan A = cot B, prove that A + B = 90
Solve.
`cos55/sin35+cot35/tan55`
solve.
cos240° + cos250°
Solve.
sin15° cos75° + cos15° sin75°
Use trigonometrical tables to find tangent of 37°
Prove that:
sin (28° + A) = cos (62° – A)
If 3 cot θ = 4, find the value of \[\frac{4 \cos \theta - \sin \theta}{2 \cos \theta + \sin \theta}\]
If 3 cos θ = 5 sin θ, then the value of
\[\frac{5 \sin \theta - 2 \sec^3 \theta + 2 \cos \theta}{5 \sin \theta + 2 \sec^3 \theta - 2 \cos \theta}\] is?
The value of cos2 17° − sin2 73° is
If ∆ABC is right angled at C, then the value of cos (A + B) is ______.
