theorem
Parin Sir > theorem
11
Aug
Angle of Depression
☼ Angle of Depression : Suppose a man from a point P looks down at an object B, placed below the level of his eye, then the angle which the line of sight makes with the horizontal through P, is called the angle of depression…
11
Aug
Height & Distance
☼ Angle of Elevation : Suppose a man from a point P looks up at an object B, placed above the level of his eye. Then, the angle which the line of sight makes with the horizontal through P, is called the angle of elevation of B a…
11
Aug
Examples 11 to 15 of T-Ratios & Identities
(11) If a2 + b2 + c2 = r2 and a = r cos A sin B, b = r sin A sin B, find the value of c.
Soln. a2 + b2 = r2 cos2 A sin2 …
11
Aug
Value of Trigonometric Function
☼ Value of Trigonometric Function : –
θ
Function |
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