Using the sum & difference identities, condense each of the following and express as a trig...

 

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Using the sum & difference identities, condense each of the following and express as a trig function of a single angle. 1. sin 97 cos 43 + cos 97 sin 43 tan 140 - tan 60* 3. 1+tan 140 tan 60 2. cos 72 cos130 + sin 72 sin 130 2 4. sin cos-cos sinus-in 3 3 5. coscos-sinsin 6. TE tan +tan 4 1-tan tan 74 Using the sum & difference identities, condense each of the following and express as a trig function of a single angle. 1. sin 97 cos 43 + cos 97 sin 43 tan 140 - tan 60* 3. 1+tan 140 tan 60 2. cos 72 cos130 + sin 72 sin 130 2 4. sin cos-cos sinus-in 3 3 5. coscos-sinsin 6. TE tan +tan 4 1-tan tan 74

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1 sin 97 deg cos 43 deg cos 97 deg sin 43 deg sin 97 deg 43 deg sin 140 deg 2 tan 140 deg tan 6... View the full answer