Multiple choice

Find the value of sin 30o + cot 45o+ sec 60o + cot 90o.

  1. 5/2

  2. 3/2

  3. 7/2

  4. 1/2

  5. 3
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

sin 30 = 1/2. cot 45 = 1. sec 60 = 2. cot 90 = 0. Sum = 0.5 + 1 + 2 + 0 = 3.5 = 7/2.

AI explanation

Substitute the standard trigonometric values into the expression: sin 30° + cot 45° + sec 60° + cot 90° = 1/2 + 1 + 2 + 0. Adding these values gives 1/2 + 3 = 7/2. The result is 7/2.

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