 # CO SWBAT use the fundamental identities to simplify

• Slides: 8 CO: SWBAT use the fundamental identities to simplify trig expressions and solve trig equations. LO: SWBAT simplify trig equations using identities. Objective Check Prove that the lhs is equivalent to the rhs given: tanx sinx +cosx = secx CO: SWBAT use the fundamental identities to simplify trig expressions and solve trig equations. LO: SWBAT simplify trig equations using identities. Pre. Calc/Trig 5. 3 Sum and Difference Identities CO: SWBAT use the fundamental identities to simplify trig expressions and solve trig equations. LO: SWBAT simplify trig equations using identities. CO: SWBAT use the fundamental identities to simplify trig expressions and solve trig equations. LO: SWBAT simplify trig equations using identities. CO: SWBAT use the fundamental identities to simplify trig expressions and solve trig equations. LO: SWBAT simplify trig equations using identities. Sum and Difference Identities EXAMPLE 1 b Write the expression as the sine, cosine or tangent of an angle. COS 94˚ COS 18˚ + SIN 94˚ SIN 18˚ CO: SWBAT use the fundamental identities to simplify trig expressions and solve trig equations. LO: SWBAT simplify trig equations using identities. Sum and Difference Identities CO: SWBAT use the fundamental identities to simplify trig expressions and solve trig equations. LO: SWBAT simplify trig equations using identities. Sum and Difference Identities CO: SWBAT use the fundamental identities to simplify trig expressions and solve trig equations. LO: SWBAT simplify trig equations using identities. Assignment: 5. 3