Home
Class 12
MATHS
If cos^(-1) ((x)/(5)) + "cosec"^(-1) (...

If ` cos^(-1) ((x)/(5)) + "cosec"^(-1) ((5)/(4)) =ppi/2 ` then x=…….

A

1

B

3

C

5

D

4

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ANNUAL EXAMINATION :SAMPLE PAPER

    KUMAR PRAKASHAN|Exercise PART-B ( SECTION-A)|20 Videos

  • ANNUAL EXAMINATION :SAMPLE PAPER

    KUMAR PRAKASHAN|Exercise PART-B ( SECTION-B)|16 Videos

  • APPLICATION OF DERIVATIVES

    KUMAR PRAKASHAN|Exercise PRACTICE PAPER - 6 (SECTION - D)|2 Videos

Similar Questions

Explore conceptually related problems

If (sin^(-1) a)^(2) +( cos^(-1) b)^(2) + ( sec^(-1)c)^(2) + ( cosec^(-1) d)^(2) = ( 5pi^(2))/2 " , then the value of " ( sin^(-1)a)^(2) - ( cos^(-1)b) ^(2) + ( sec^(-1)c)^(2) - ( cosec^(-1)d)^(2)

If sin^(-1)(x/5)+cose c^(-1)(5/4)=pi/2 then the value of x is: (1) 1 (2) 3 (3) 4 (4) 5

int sec^((2)/(3))x*"cosec"^((4)/(3))x dx=....

Find (d)/(dx) ["cosec"^(-1)x]_(x= -2)

Prove the following : 2cot^(-1)(2)+cosec^(-1)(5/3)=pi/2

sec^(-1) x + cosec^(-1) x + cos^(-1) (x^(-1) ) + sin^(-1) ( x^(-1) ) = ….. (where |x| ge 1 , x in R )

tan ^(2) ( sec ^(-1) 3) + cosec ^(2) ( cot ^(-1) 2) + cos ^(2) ( cos ^(-1) "" (2)/(3) + sin ^(-1) "" (2)/(3)) = __________.

cot{ (2019pi)/(2) - ( cosec^(-1) (5)/(3) + tan^(-1)"" (2)/(3) ) } = .....

f(x)= sin^(2)x + sin^(2) (x + (pi)/(3)) + cos x cos (x + (pi)/(3)) and g(5 / 4)' =1 then (gof)(x) = ………