Q. 5 A3.9( 22 Votes )
Prove the following.
secθ(1 - sinθ) (secθ + tanθ) = 1
Answer :
Taking LHS
secθ(1 - sinθ) (secθ + tanθ)
[(a + b)(a - b) = a2 - b2]
[ sin2θ + cos2θ = 1]
= 1
= RHS
Proved !
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