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(1−tan^2 30º)/(1+tan^2 30º) is equal to (A) cos 60º (B) sin 60º (C) 1 (D) tan^2 60∘
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asked
Sep 8
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Kabita
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1−tan^2 30º/1+tan^2 30º is equal to
(A) cos 60º
(B) sin 60º
(C) 1
(D) tan^2 60∘
cbse
class 10
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Sep 8
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Haren
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Best answer
Correct option is
(A) cos 60º
(1−tan^2 30º)/(1+tan^2 30º) is equal to
cos 60º.
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