Question

Question for class 10 student s latest from board exam 2019

Answer 1

i think this is the answer.... im not sure

Answer 2

the answer is 26/3

ok

because ( 3tan41/cot49)^2

will be 9

and the other part will be -1/3

so

9-1/3=26/3

using sin(90-x)=cos(x)

tan(90-x)=cot(x)