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The first four letters are replaced by their third succeeding letter as per the English Alphabetical series. The middle letter is replaced by its reverse letter as per the English Alphabetical series. The last four letters are replaced by their second preceding letter as per the English Alphabetical series.
SENTIMENT → VIRXRKCLR
SATISFIED → VDWLHDGCB
If cos²α + cos²β = 2, then the value of tan⁴α + sin⁸β is
(cos5°+sin5°)/(cos5°-sin5°) is equal to:
What is the value of 1/(1+tan 2θ ) + 1 / (1+cot 2 θ ) = ?
...∆ PQR is right-angled at Q. If ∠R = 60º, then find the value of cosec P.
If cot2A = tan(A+6˚ ) , find the value of A? Given that 2A and A+6˚ are acute angles.
Find the value of tan(75°) using the identity for tan(A+B).