Questions and answers by

sumayya

Questions (2)

prove that_______1______ - ___1___ =__1___ sec x-tan x cos x cos x - _______1______ sec x + tan x
1. 1 answer
2. 394 views
prove that sin A(1+tan A)+cos A(1+cot A)= sec A+ cosec A
1. 1 answer
2. 852 views