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Byju's Answer
Standard X
Mathematics
Complementary Trigonometric Ratios
If x=a θ and ...
Question
If x = a sec θ and y = b tan θ, then b
2
x
2
− a
2
y
2
=
(a) ab
(b) a
2
− b
2
(c) a
2
+ b
2
(d) a
2
b
2