1-cos-101-cos3-101-cos7-101-cos9-10-116-

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Composition of Inverse Trigonometric Functions and Trigonometric Functions

1+cosπ101+cos...

Question

$(1 + cos \frac{π}{10}) (1 + cos \frac{3 π}{10}) (1 + cos \frac{7 π}{10}) (1 + cos \frac{9 π}{10}) = \frac{1}{16}$ .

True

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

False

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

Open in App

Solution

Suggest Corrections

Similar questions

(1 + c o s \frac{π}{10}) (1 + c o s \frac{3 π}{10}) (1 + c o s \frac{7 π}{10}) (1 + c o s \frac{9 π}{10}) = \frac{1}{16}

(1 - cos \frac{π}{10}) (1 + cos \frac{3 π}{10}) (1 + cos \frac{7 π}{10}) (1 - cos \frac{9 π}{10})

(1 + cos \frac{π}{10}) (1 + cos \frac{3 π}{10}) (1 + cos \frac{7 π}{10}) (1 + cos \frac{9 π}{10})

(1 + c o s \frac{π}{10}) (1 + c o s \frac{3 π}{10}) (1 + c o s \frac{7 π}{10}) (1 + c o s \frac{9 π}{10})

c o s \frac{π}{11} + c o s \frac{3 π}{11} + c o s \frac{5 π}{11} + c o s \frac{7 π}{11} + c o s \frac{9 π}{11} = \frac{1}{2}

Join BYJU'S Learning Program