Question

prove that tan^2theta cos^2theta =1-cos^2theta​

Answer 1

Answer:

ur answer

Step-by-step explanation:

tan²Φ×cos²Φ=1-cos²Φ

from L. H. S,

sin²Φ/cos²Φ×cos²Φ [the cos²Φ will cancel .]

sin²Φ [sin²Φ=1-cos²Φ]

1-cos²Φ

therefor :

L. H. S = R. H. S

hence, proved

hope it help ☺☺