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Evaluate the expression sin 30° cos 60° + cos 30° sin 60° + tan 45°.
Give the numeric value.

Class 10Trigonometric Ratios of Standard AnglesTrigonometry
  • A2
  • B4
  • C3
  • D1

Step-by-Step Solution

sin30 cos60 + cos30 sin60 = sin(30+60) = sin 90 = 1. Adding tan 45° = 1 gives 1 + 1 = 2.
Answer: A) 2

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