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TanA/secA-1=secA+1/tanA |
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Answer» Hello Dear Friend❤❤ Step-by-step explanation: tanA + SECA - 1 / tanA - secA + 1 = 1 + sinA / cosA. LHS = tanA + secA -1 / tanA - secA + 1. = tanA + secA + TAN2A - sec2A / tanA - secA + 1. as tan2A + 1 = sec2A. |
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