Q12 of 120 Page 89

If 4 tan θ =3, then is equal to

Given: 4 tan θ =3

⇒ …eq. 1

)

We have to evaluate

Dividing numerator and denominator by cos θ and substituting eq. 1,

We get

∴

The value of the expression

If 4 tan θ =3, then is equal to

If sin θ - cos θ = 0, then the value of (sin⁴ θ +cos⁴θ) is

Questions · 120

8. Introduction to Trigonometry and Its Applications

1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18