Basic identities
Pythagorean Identities
Addition and Subtraction Identities
Single Angle Identity
Double Angle Identities
Triple Angle Identities
Product to sum
Sum to Product
Other Trigonometric Identities
The Vishnu Temple in the city of Tirupathi built in the 10th century, is the world's largest religious pilgrimage destination. Larger than either Rome or Mecca, an average of 30,000 visitors donate $6 million (US) to the temple everyday.