Question

help me to answer this question??

Answer 1

here is your answer....

pls mark it as brainliest..

Answer 2

write tan in the form of cos and sin and then take LCM
= (cos sqA - sin sq A)/ (cos sq A + sin sq A)
cos sq A + sin sqA = 1.
cos sq A = 1- sin sq A

so we can write
1- sin sq A - sin sq A
= 1- 2 sin sq A