Question

I will mark you as the brainliest if you answer it correctly ​

Answer 1

Answer:

i) ans =1 ii) ans 1

Step-by-step explanation:

in first question use formula of sin(A+B) =sinAcosB+cosAsinB so here A=50 and B=40

=sin90

=1

second question

use tan35=tan(90-55)=cot 55

so 1+cot^2(55)-cot^2(55)

=1