The expression is true
Step-by-step explanation:
- Step 1: Prove the expression true or false. sec²a + cosec²a = 1/sin²a cos²a
Left Hand Side = sec²a + cosec²a = 1/cos²a + 1/sin²a
= sin²a + cos²a/sin²a cos²a (∵ sin²a + cos²a = 1)
= 1/sin²a cos²a (∵ sin²a + cos²a = 1)
= Right Hand Side
