+91-705-589-3577
FlagBACK
Flag Trigonometry> Find the range of A for the given functio...
question mark

Find the range of A for the given function in theta.

Piyush Raj , 8 Years ago
Grade 11
anser 1 Answers
Ritesh Khatri
Since |sinx|
sin^{8}x\leqslant sin^{2}x
Same we can write for cos
cos^{14}x\leqslant cos^{2}x
 
if we add both equations we get
cos^{14}x + sin^{8}x\leqslant cos^{2}x+sin^{2}x
\Rightarrow cos^{14}x + sin^{8}x\leqslant 1
 
Also since both powers are even both terms are positive
Last Activity: 8 Years ago
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Other Related Questions on trigonometry

question mark
In ABC, if cot A+cot B+cot C = cosecA cosecB cosecC, then prove that ABC is right angle triangle.
trigonometry
1 Answer Available

Last Activity: 3 Years ago

question mark
  • Find the general solution of equation tan3βˆ‚=cot2βˆ‚
For all angles between -720 and +720
trigonometry
1 Answer Available

Last Activity: 3 Years ago

question mark
To prove : Cosec(45 degree - A)Cosec(45 degree + A) = 2SecA
trigonometry
1 Answer Available

Last Activity: 3 Years ago

question mark
Derive a formula for the area of the triangle, given b, A, B, and C. That is, derive the formula: (b^2sinAsinC)/(2sinB)
trigonometry
1 Answer Available

Last Activity: 3 Years ago

question mark
WHAT IS THE LIMIT WHEN X TOWARDS TO 0 OF sin6x/5x ? limπ‘₯β†’0 𝑠𝑖𝑛6π‘₯/5π‘₯ 
trigonometry
1 Answer Available

Last Activity: 3 Years ago