Question

if secQ+tanQ =x ,then find the value of tanQ​

Answer 1

Answer:

SEC²Q - TAN²Q = 1

(SECQ +TAN Q)×(SECQ- TANQ) = 1

(SECQ +TAN Q) × X = 1

(SECQ +TAN Q) =1/X

(SECQ +TAN Q) - (SECQ- TANQ) = X- 1/X

2TANQ = (X²-1)/X

TANQ = (X²-1)/2X