Question

please answer these questions.
Take your own time.
Solve all the questions
​

Answer 1

Answer:

hope this will helps you.....

Answer 2

Answer

12/25

Explanation:

sec=5/4=h/b

p2+b2=h2

p2=h2-b2

=(5)^2-(4)^2

=25-16

p2=9

p=√9

p=3

therefore,

tan alpha=p/b

=3/4

Now,

tan alpha

________

1 + tan2 alpha

= 3/4

_______

1 + (3/4)^2

= 3/4

________

1 + 9/16

= 3/4

______

16+9

--------

16

= 3/4

_______

25/16

= 3/4×16/25

= 12/25(Ans)