Complete the identity

Exercise and reference answers

Missing parts

1. Answer

   cos

   Choices

   1. cos
   2. tan
   3. sec

2. Answer

   1

   Choices

   1. 1
   2. 0
   3. 2

Complete the statement

sin squared A plus {0} squared A equals {1}.

Instructions

Drag a term into each gap to finish the identity.

Explanation