Multiple choice general knowledge math & puzzles

(sin 60*cosec 60*cos 45*sec 45)* (cot 45*tan 45*tan 30*tan 60)

  1. 0

  2. 1

  3. 0.707

  4. 1.414

  5. 1.732

  6. infinity
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Using reciprocal identities: cosec 60 = 1/sin 60, sec 45 = 1/cos 45, cot 45 = 1/tan 45. The expression becomes (sin 60 × 1/sin 60 × cos 45 × 1/cos 45) × (1/tan 45 × tan 45 × tan 30 × tan 60) = 1 × 1 × tan 30 × tan 60 = 1.

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