The Value of sin²22° + sin²68° + cot²30° is:

  1. 5/4
  2. 4
  3. 3/4
  4. 3
Monis Rasool Professor Asked on 31st August 2015 in Maths.
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1 Answer(s)

Answer: (2) 4
Explanation:-

sin2(90 – 68)o + sin268o + cot230o
cos268o + sin268o + cot230o
= 1 + (sqrt.3)2
= 1 + 3
= 4
Then, the value of sin222o + sin268o + cot230o is 4.

Hence, the answer is (2) 4.

Anurag Mishra Professor Answered on 31st August 2015.
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