Question: 7. Simplify the following completely: h 12 h Trigonometric Identities: Review Ch. 7: pgs 279-308 Sum and Difference, Double-Angle Half-Angle identities Verifying Trigonometric Idents

7: pgs 279-308 Sum and Difference, Double-Angle Half-Angle identities Verifying Trigonometric Idents

7. Simplify the following completely: h 12 h Trigonometric Identities: Review Ch. 7: pgs 279-308 Sum and Difference, Double-Angle Half-Angle identities Verifying Trigonometric Idents Without using a calculator, Use the Sum or Difference Identity to find the exact value for the following. s. 9. a. b. Let b. sin 195: COS TT cos 8 sin(28) cos(28) tan(2B) with 9 in QIII. Without using a calculator, find 9

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