Question

The value of 5 tan2A-5 sec2A+1 is:​

Answer 1

Answer:

5tan

2

θ−5sec

2

θ

⇒5(tan

2

θ−sec

2

θ)=5(−1)=−5 [∵1tan

2

θ=sec

2

θ] Hence, the answer is -5.