Sin 2A-1 - cos 2A - cos A-1 - cos A -

( sin 2A/1 + cos 2A)( cos A/1 + cos A) = 2 sin A cos A/2 cos^2 A cos A/1 + cos A = sin A/1 + cos A = tan A/2 ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Trigonometric Ratios of Multiples of an Angle

sin 2A/1 + co...

Question

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

tan $\frac{A}{2}$

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

cot $\frac{A}{2}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

sec $\frac{A}{2}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

cosec $\frac{A}{2}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Suggest Corrections

Similar questions

\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{2}{2 s i n^{2} A - 1} = \frac{2}{1 - 2 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)

If cos A + cos² A = 1, then sin² A + sin⁴ A is

cos A + {cos}^{2} A = 1,

{sin}^{2} A + {sin}^{4} A

Join BYJU'S Learning Program