Question

find the value of 3 tan2 26* - 3 cosec2 64*

Answer 1

hi mate here is ur answer

3 ( tan^2 26 - cosec^2 64 )

3( tan^2 26 - sec( 90 -64)^2)

3( tan^2 26 - sec^226 ) using complementary angle property as sec is complement to cosec

so we get, 3 ( -1 ) sec^2 a - tan^2 a

answer is -3

hope it helps!!!