Question

show that ( 1+tan²A)(1-sin A)(1+ sin A)=1​

Answer 1

Step-by-step explanation:

LHS = RHS

(1+tan²A)(1+sinA)(1-sinA),

sec²A (1-sin²A),

1/cos²A × cos²A,

1,

hence

L.H.S=R.H.S

Answer 2

adjust with photo please