Home
Class 10
MATHS
cot(90-A) =...

`cot(90-A)` =

A

`3 tan A`

B

`sin A`

C

`cot A`

D

`tan A`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF TRIGONOMETRY

    VGS PUBLICATION-BRILLIANT|Exercise MODEL EXAMINATION|89 Videos

  • APPENDIX MATHEMATICAL MODELLING

    VGS PUBLICATION-BRILLIANT|Exercise THINK & DISCUSS|1 Videos

  • COORDINATE GEOMETRY

    VGS PUBLICATION-BRILLIANT|Exercise CCE model examination|151 Videos

Similar Questions

Explore conceptually related problems

Check and discuss the below relations in the case of angles between 0° and 90° , whether they hold for these angles or not? tan (90- A) = cot A

If tan A - tan B = x and cot A - cot B = y, then cot( A- B) =

Check and discuss the above relations [sin (90^@ - x) = (AB) /(AC) = cos x cos (90^@ - x) = (BC)/(AC) = sin x tan (90^@ - x) = (AB)/(BC) = cot x cot(90^@ - x) = (BC)/(AB) = tan x , cosec(90^@ - x) = (AC)/(AB) = sec x , sec(90^@ - x) = (AC)/(BC) = cosec x] , in the case of angle between 0^@ and 90^@ , whether they hold for these angles or not ?So, sin(90^@ - A) = cosA

Check and discuss the above relations [sin (90^@ - x) = (AB) /(AC) = cos x cos (90^@ - x) = (BC)/(AC) = sin x tan (90^@ - x) = (AB)/(BC) = cot x cot(90^@ - x) = (BC)/(AB) = tan x , cosec(90^@ - x) = (AC)/(AB) = sec x , sec(90^@ - x) = (AC)/(BC) = cosec x] , in the case of angle between 0^@ and 90^@ , whether they hold for these angles or not ?So, cos(90^@ - A) = sinA

Are these identities true for 0^(@) le A le 90^(@) ? If not, for which values of A they are true ? cosec^(2)A - cot^(2)A = 1

cot 15^(@) + cot 75^(@) + cot 315^(@) =

If tan A + tan B=p and cot A+ cot B=q then cot (A+B)=

cot((pi)/4-2cot^(-1)3)=

If cot^(2)x =cot(x-y) cot(x-z) , then cot(2x) is equal to (where x ne +-pi/4 )

If 2 cot ""( B)/(2) = cot "" (A) /( 2) + cot "" ( C )/(2) then a,b,c are in