The value of the expression 1-sin 2 y-1-cos y-1-cos y-sin y-sin y-1-cos y

The correct option is B cos y 1 1 cos^2y/1+cosy+(1 cos^2y) sin^2y/siny(1+cosy)=1 (1 cosy)+0=cosy ...

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Basic Trigonometric Identities

The value of ...

Question

The value of the expression $1 - \frac{s i n^{2} y}{1 + c o s y} + \frac{1 + c o s y}{s i n y} - \frac{s i n y}{1 - c o s y}$

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sin y

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cos y

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1 - \frac{{sin}^{2} y}{1 + cos y} + \frac{1 + cos y}{sin y} - \frac{sin y}{1 - cos y} =

1 - \frac{S i n^{2} y}{1 + C o s y} + \frac{1 + C o s y}{S i n y} - \frac{S i n y}{1 - C o s y} = . . . . . . . .

\frac{{sin}^{3} y}{1 + cos y} + \frac{{cos}^{3} y}{1 - sin y}

sin x + sin y + sin z = 0 = cos x + cos y + cos z,

cos (y - x) + cos (z - y) + cos (x - z)

C o s (x - y) + C o s (y - z) + C o s (z - x) = \frac{- 3}{5}

C o s x + C o s y + C o s z = ?

S i n x + S i n y + S i n z = ?

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