Q14 of 48 Page 84

Prove the following with the help of identities:

Taking L.H.S we get,



Using: cot α =


⇒


⇒ ( Taking the L.C.M)


= tan2 α = R.H.S


Hence, proved


More from this chapter

All 48 →
12

Prove the following with the help of identities:

cos4θ + sin4θ = 1 – 2 cos2θ sin2θ

 13

Prove the following with the help of identities:

(secθ – cosθ) (cotθ + tanθ) = tanθsecθ

 15

Prove the following with the help of identities:

 16

Prove the following with the help of identities:

sin6θ + cos6θ = 1 – 3sin3θ cos2θ