Home > CALC3RD > Chapter Ch5 > Lesson 5.3.3 > Problem 5-135
5-135.
If
Common Trigonometric Identities
Reciprocal | Pythagorean |
Angle Sum | Double Angle |
Method 1: Before you differentiate, expand and simplify using trig identities. Then use the Product Rule to differentiate.
Method 2: Chain Rule.
The results might not look the same. This is where you get to practice proving a trig identity (in other words, proving that the two results are equivalent.)