Question

tell me the name of toys of 12 to 13 years boy ​

Answer 1

Answer:

1)remote control car

2)Puzzle

3)International bussiness

Answer 2

Solution:

We know that,

sec2θ – tan2θ = 1

(sec θ + tan θ) (sec θ – tan θ) = 1

(7) (sec θ – tan θ) = 1 …[sec θ + tan θ = 7; (Given)

∴ sec θ – tan θ = 17