Question
 Photovoltaic cells
are:ÂSolution
Photovoltaic cells, commonly known as solar cells, convert sunlight directly into electricity through the photovoltaic effect. They do not involve heat (thermal), sulphur, or anything related to 'molar' in their operation.
Simplify the following trigonometric expression:
10 cos19â sec19â â 4cot28â tan28...
Simplify the following trigonometric expression:Â
8 cos 40° cosec 50° â 2 cot 30° cot 60°Â
Find the value of the given trigonometric expression:
(sin 15°cos 75° + cos²15°) à sin 30° + (cos 60°tan 45°) à sec 60°
...- If cosec [180° â (3q/2) ] = â2, 0° < q < 90°, then find the value of {(2/â3) X cos q - 4 cos 3q}.
- Simplify the following trigonometric expression:
15 cos 27° sec 63° â 9 cot 61° tan 29° - If cot A = â3, then what will be the value of cosecâ´ A?
If â3cosec 2x = 2, then the value of x:
- If sec A = 2, then what will be the value of sin² A?
What is the value of sin(B â C) cos(A â D) + sin(A â B) cos(C â D) + sin(C â A) cos(B â D)?