Pre-Calc
►
Trig Unit 3: Analytic Trig and Applications
►
5.3 and 5.4 Sum/Difference Identities
5.3 and 5.4 Sum/Difference Identities
11
Find the exact value by using a sum or difference identity.sin 15°
Find the exact value by using a sum or difference identity.tan 75°
Solve the problem.When a person bends at the waist with a straight back, the ...
Use a sum or difference identity to find the exact value.tan
Use Identities to find the exact value.cos -75°
Use Identities to find the exact value.cos 165°
Use Identities to find the exact value.cos 36° cos 24° - sin 36° sin 24°
Use identities to write each expression as a function of θ.cos (θ + 90°)
Use the cofunction identities to find an angle θ that makes the statement ...
Use trigonometric identities to find the exact value.sin 20° cos 100° + cos ...
Write in terms of the cofunction of a complementary angle.sec 68° 28'