If `sin47^0+sin 61^0-sin 11^0-sin 25^0` is equal to `adot\ sin36^0` b. `cos36^0` c. `cos7^0` d. `cos7^0`

If sin47^0+sin 61^0-sin 11^0-sin 25^0 is equal to a. adot\ sin36^0 b. cos36^0 c. cos7^0 d. cos7^0

If 47^(0)+s in61^(0)-s in11^(0)-s in25^(0) is equal to a*sin36^(@) b.cos36^(@) c.cos7^(0) d.cos7^(0)

(cos 10^0+sin 10^0)/(cos 10^0-sin 10^0) is equal to tan55^0 b. cos 55^0 c.-tan35^0 d. -cot35^0

(cos 10^0+sin 10^0)/(cos 10^0-sin 10^0) is equal to tan55^0 b. cos 55^0 c. -tan35^0 d. -cot35^0

(cos 10^0+ sin 10^0)/(cos 10^0- sin 10^0) is equal to tan55^0 b. cos 55^0 c. -tan35^0 d. -cot35^0

(cos 10^0+sin 10^0)/(cos 10^0-sin 10^0) is equal to a. tan55^0 b. cos 55^0 c. -tan35^0 d. -cot35^0

Prove that: sin 23^0+sin 37^0=cos7^0

If cos25^(0)+sin25^(0)=K, then cos50^(@) is equal to

(cos 10^0+ sin 10^0)/(cos 10^0-sin 10^0) is equal to..................... a. tan55^0 b. cos 55^0 c. -tan35^0 d. -cot35^0

Prove that: sin 40^0+sin 20^0=cos 10^0