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Trigonometric Ratio(sin,cos,tan)

sinA +sin2A/1...

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sinA +sin2A/1+cosA+cos2A is equal to

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\frac{sin 2 A}{sin A} - \frac{cos 2 A}{cos A} = sec A

\frac{s i n A + c o s A}{s i n A - c o s A} + \frac{s i n A - c o s A}{s i n A + c o s A} = \frac{2}{s i n^{2} A - c o s^{2} A}

\frac{1 + sin 2 A}{cos 2 A} = \frac{cos A + sin A}{cos A - sin A} = cot (\frac{π}{4} - A)

$\frac{s i n 2 A}{1 + c o s 2 A}$ . $\frac{c o s A}{1 + c o s A}$ =

Q. If sin²A + cos²A =1 then sin⁴A + cos⁴A will also be equal to 1. Or sinA +cosA will also be equal to 1.

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