Quantitative aptitude

If cos A=sin2A. and a sin12A+b sin10A+c sin8A+sin6A=1. Then a+b+c=?

March 19, 2024

30 Views

If cos A=sin2A. and a sin12A+b sin10A+c sin8A+sin6A=1. Then a+b+c=?

If cos A=sin²A. and a sin¹²A+b sin¹⁰A+c sin⁸A+sin⁶A=1. Then a+b+c=?

a) 5

b) 7

c) 6

d) 8

Sol:

If cos A=sin2A. and a sin12A+b sin10A+c sin8A+sin6A=1. Then a+b+c=?

Previous

Sides PQ and SR of a cyclic quadrilateral PQRS are produced to meet at T and sides PS and QR are produced to meet at

If cos A=sin2A. and a sin12A+b sin10A+c sin8A+sin6A=1. Then a+b+c=?

Next

A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A’s share is Rs. 855. The total profit is

Tags: quantitative aptitude

Related Articles

Sin⁶ + cos⁶ is equal to

Sin⁶ + cos⁶ is equal to

A vessel of 115 litres is filled with milk and water. 70% of milk and 40% of water is taken out of the vessel it is found that the vessel is

A vessel of 115 litres is filled with milk and water. 70% of milk and 40% of water is taken out of the vessel it is found that the vessel is

What is the average of all the one digit, two digit and three digit natural numbers

What is the average of all the one digit, two digit and three digit natural numbers

A manufacture of patent medicines gives 2 dozen extra bottles of the medicine for every order of 15 dozens a discount of 25%

A manufacture of patent medicines gives 2 dozen extra bottles of the medicine for every order of 15 dozens a discount of 25%

We will be happy to hear your thoughts

Leave a reply Cancel reply

You must be logged in to post a comment.