ExamCompetition Forum Question Papers Ask A Question Mock Test Learn & Earn Sign Up Login Menu



0 vote

What is the value of $\frac{(sinA - 2sin^{3}A)}{(2cos^{3}A - cosA)}$

Asked on by | Votes 0 | Views: 30 | Tags: ssc     | ssc chsl     | ssc chsl tier 1     | ssc chsl 2016     | ssc chsl 19 01 2017     | trigonometry     | quantitative aptitude     | Add Bounty

What is the value of $\frac{(sinA - 2sin^{3}A)}{(2cos^{3}A - cosA)}$
1). cotA
2). cosecA
3). secA
4). tanA

SSC CGL Books


Share on Facebook      Share on Whatsapp       Share on Twitter




1 answers

0 vote
Answered by on | Votes 0 |
option 4 is the right answer

Join Telegram Group




Answer This Question

Name:
Email:
Answer :
Sum of (3+3)
Submit:

Other Questions

1. Find the value of $tan 4^{0}tan 43^{0}tan 47^{0}tan 86^{0}$

2. One flies a kite with a thread 150 metre long. If the thread of the kite makes an angle of $60^{0}$ with the horizontal line, then the height of the kite from the ground (assuming the thread to be in a straight line) is

3. A man walks 1 km on 1st day , 2 km on 2nd day , 3 km on 3rd day and so on . The total distance the man covers in 10 days is

4. If $3 sin\theta + 5 cos\theta$ = 5, then the value of $5 sin\theta - 3 cos\theta$ will be

5. The numerical value of $1+\frac{1}{cot^{2}63^{0}}-sec^{2}27^{0}+\frac{1}{sin^{2}63^{0}}-cosec^{2}27^{0}$ is

6. From two points on the ground and lying on a straight line through the foot of a pillar, the two angles of elevation of the top of the pillar are complementary to each other. If the distances of the two points from the foot of the pillar are 12 metres and 27 metres and the two points lie on the same side of the pillar, then the height (in metres) of the pillar is

7.  A ship started sailing S 42°35’ W at the rate of 5 kph. After 2 hours, ship B started at the same port going N 46°20’ W at the rate of 7 kph. After how many hours will the second ship be exactly north

8. A bus travels $\frac{2}{5}$ of a total journey at its usual speed. The remaining distance was covered by bus at $\frac{6}{7}$ of its usual speed. Due to slow speed it reaches its destination 50 minutes late. If the total distance is 200 kms, then what is the usual speed (in km/hr) of bus?

9. The angle of elevation of the top of a tower from a point A on the ground is $30^{0}$. On moving a distance of 20 metres towards the foot of the tower to a point B, the angle of elevation increases to $60^{0}$. The height of the tower is

10. What is the simplified value of (cosA + sinA)(cotA + tanA)?