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TS EAMCET 4 May 2018 Shift 2 Solved Paper

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Question : 21

Total: 160

Assertion (A): If α=12°,β=15°,γ=18° then
tan‌2‌α‌tan‌2‌β+tan‌2‌β‌tan‌2‌γ +tan‌2‌γ‌tan‌2‌α=1
Reason (R): In ΔABC,
tan‌

=1
Which of the following is true?

Both (A) and (R) are true and (R) is the correct explanation of (A)
Both (A) and (R) are true and (R) is not correct explanation of (A)
(A) is true but (R) is false
(A) is false but (R) is true

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