Question
In MS Word, shortcut key Ctrl + Y
willÂSolution
Control-Y is a common computer command. It is generated by holding Ctrl and pressing the Y key on most Computer Keyboards. In most Windows applications this keyboard shortcut functions as Redo, reversing a previous Undo.
sin2 9 ° + sin2 10 ° + sin2 11 ° + sin2 12 ° + âŚâŚâŚ + sin2 81 ° = ?
...Calculate the maximum and minimum value of (8cosA + 15sinA + 15), if 'q' lies in the first quadrant.
Find the value of `1/2`  cosec 10  - `2/(cosec 70)`  ?
sin2 12Ë + sin2 14Ë + sin2 16Ë + sin2 18Ë + âŚâŚâŚ + sin2 78Ë =?
If sin (2x + 50) o = cos (2y - 50) o, such that, 0o < x + y < 90o, then find the value of tan(x + y) .
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
If acos 3 θ + 3asin 2 θcosθ = m and asin 3 θ + 3asinθcos 2 θ = n, then find the value of (m + n) ...
- Simplify the following trigonometric expression:
15 cos 27° sec 63° â 9 cot 61° tan 29° 
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