Question

if sin a is equal to under the root 3/2 to find the value of 2 cot square A minus one

Answer 1

Answer: -1/3 is the answer

Step-by-step explanation:

sinA = √3/2

sin A = sin60°

so, A = 60°

Now, 2cot²A-1 = 2×cot²60°-1

= 2×(1/√3)² -1

= 2×1/3 -1

= -1/3

Answer 2

Answer:

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