If sec5A=cos e c\ (A+36^@) , where 5A is...

If `sec5A=cos e c\ (A+36^@)` , where `5A` is an acute angle, find the value of `A`

Topper's Solved these Questions

TRIGONOMETRIC IDENTITIES
RD SHARMA|Exercise All Questions|254 Videos

Similar Questions

Explore conceptually related problems

If sec 5A=cosec (A-30^@) , where 5A is an acute angle then find the value of A.

If sec 4A = cosec (A - 20^(@)) , where 4A is an acute angle, find the value of A.

If sec 4A=cosec (A-15^@) , where 4A is an acute angle, find the value of A.

If sec 2A=cosec (A-42^@) , where 2A is an acute angle, find the value of A.

If sec4A=cos ec(A-20^(@)), where 4A is an acute angle,find the value of A .

If sin 3A = cos(A - 26^@) , where 3A is an acute angle, find the value of A.

If sec4A ="cosec"(A-20^@) where 4A is an acute angle , find the value of A.

If sin3A=cos(A-26^(@)), where 3A is an acute angle,find the value of A.

RD SHARMA-TRIGONOMETRIC RATIOS-All Questions

If tan2theta=cot(theta+6o) , where 2theta and theta+6o are acute an...
Text Solution
|
If t a n A"\ "="\ "cot B , prove that A+B=90o
Text Solution
|
If sec5A=cos e c\ (A+36^@) , where 5A is an acute angle, find the va...
Text Solution
|
If s e c4A=cos e c(A-20^@) , where 4A is an acute angle, find the ...
Text Solution
|
Evaluate the following: (i) (sin20^@)/(cos70^@) (ii) (cos19^@)/(sin71^...
Text Solution
|
Evaluate the following: (i) (sin21o)/(cos69o) (ii) (tan10o)/(cot80o...
Text Solution
|
Evaluate the following: (i) ((sin49o)/(cos41o))^2+((cos41o)/(sin49o...
Text Solution
|
Evaluate the following: (i) (cot40o)/(tan50o)-1/2((cos35o)/(sin55o)...
Text Solution
|
Evaluate the following: (i) (tan35o)/(cot55o)+(cot78o)/(tan12o)-1 ...
Text Solution
|
Evaluate the following: (i) cos e c\ 31o-sec59o (ii) (sin72o+cos18...
Text Solution
|
Evaluate the following: (i) sin35osin55o-cos35ocos55o (ii) tan48ot...
Text Solution
|
Express each one of the following in terms of trigonometric ratios ...
Text Solution
|
Express each one of the following in terms of trigonometric ratios ...
Text Solution
|
Express cos75o+cot75o in terms of angles between 0o and 30o .
Text Solution
|
If sin3A=cos(A-26^@) , where 3A is an acute angle, find the val...
Text Solution
|
If A ,\ B ,\ C are the interior angles of a triangle A B C , prove ...
Text Solution
|
Prove that: tan20otan35otan45otan55otan70o=1
Text Solution
|
Prove that: sin48osec42o+cos48o\ cos e c\ 42o=2
Text Solution
|
Prove that: (sin70o)/(cos20o)+(cos e c\ 20o)/(sec70o)-2cos70o\ cos ...
Text Solution
|
Prove that: (cos80^@)/(sin10^@)+cos59^@\ cosec\ 31^@=2
Text Solution
|