Question

write each sum or difference as a product
sin 91°-sin(-64°)​

Answer 1

Answer:

(a) (c) (e) csc tan cos 2 8 15 θ 2 2 (b) (d) (f) cot sec sin 2 2 2 (g) 2 sin 2 cos 2 (h) 2 cos 2 tan 2 46. ... 69–76, use the product-to-sum formulas to write the product as a sum ...