Question

tan 35°/cot 55°+cot 78°/tan 12°-1​

Answer 1

Answer:

1

EXPLANATION:Tan 35° = tan 90°-55° = cot 55° Cot 78°= cot 90°-12° = tan 12° cot 55°/cot 55°+ tan 12°/tan 12°-1 =1+1-1 =2-1 =1

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Answer 2

Step-by-step explanation:

check this out..it's basic property .I hope u understand it