A lamp blinks so that its brightness is B = 1/(2 + sin… | StemPy Lab

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A lamp blinks so that its brightness is B = 1/(2 + sin… | StemPy Lab

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A lamp blinks so that its brightness is B = 1/(2 + sin t) units at time t. Between which two values does B always stay?

MathematicsHardHigh School (11–12)Trigonometry › Trigonometric Functions and Graphs A-Level AP IB JEE Main

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A lamp blinks so that its brightness is $B = \dfrac{1}{2 + \sin t}$ units at time $t$ . Between which two values does $B$ always stay?

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← If cos x = 1/2 and tan x < 0, then x can be sin A = 8/17 with A in the second quadrant, and cos B = 4/5 with B in the fourth quadrant. Then sin(A + B) equals →

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