Home
Class 10
MATHS
tan1^(@).tan2^(@).tan3^(@)...tan89^(@)=...

`tan1^(@).tan2^(@).tan3^(@)...tan89^(@)=`

A

1

B

`-2`

C

3

D

7

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TANGENTS AND SECANTS TO A CIRCLE

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|201 Videos

  • TRIGONOMETRY (MULTIPLE CHOICE QUESTION)

    VGS PUBLICATION-BRILLIANT|Exercise TRIGONOMETRY (MULTIPLE CHOICE QUESTION)|25 Videos

Similar Questions

Explore conceptually related problems

tan 10^(@)*tan20^(@)*tan30^(@)*tan40^(@)*tan50^(@)*tan60^@tan70^(@)*tan80^(@)=

tan10^(@) tan 20^(@) tan 30^(@) tan 40^(@) tan 50^(@) tan 60^(@) tan 70^(@) tan 80^(@)=

The value of tan 1^@.tan 2^@.tan 3^@ ……….tan 89

Prove that tan A. (tan 60^(@) +A). Tan (60^(@)-A)=tan 3A and hence find the value of tan 6^(@) tan 42^(@) tan 66^(@) tan 78^(@) .

Show that tan 48^(@) tan 16^(@) tan42^(@) tan 74^(@) =1

Show that : tan 48^(@) tan 16^(@) tan 42^(@) tan 74^(@) = 1 .

Assertion (A): tan40^(@) + tan 80^(@) - sqrt(3)tan 40^(@) tan80^(@)=-sqrt(3) Reason ( R): tan( A + B) =tan A + tan B + tan(A + B) tan A tan B

If tan20^(@) = lambda then show that (tan 160^(@) -tan 110^(@))/(1+tan160^(@).tan110^(@)) = (1-lambda^2)/(2lambda) .