मराठी

If 3x = cosec θ and 3/x = cot θ, find the value of 3(x^2 – 1/x^2).

Advertisements
Advertisements

प्रश्न

If 3x = cosec θ and `3/x = cot θ`, find the value of `3(x^2 - 1/x^2)`.

बेरीज
Advertisements

उत्तर

3 `(x^2 -1/x^2)`

`=9/3(x^2 - 1/x^2)`

=`1/3 (9x^2-9/x^2)`

=`1/3 [(3x^2)-(3/x)^2]`

=`1/3 [(cosec theta )^2 - (cot theta)^2]`

=`1/3 ( cosec^2 theta - cot^2 theta)`

=`1/3 (1)=1/3`

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: T-Ratios of Some Particular Angles - EXERCISE 11 [पृष्ठ ५७४]

APPEARS IN

आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 11 T-Ratios of Some Particular Angles
EXERCISE 11 | Q 27. | पृष्ठ ५७४
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×