A0
B2
C1
D-1
Answer:
Related Questions:
Find cos4A−sin4A.cos^4 A - sin^4 A.cos4A−sin4A.
Evaluate sin54∘cos36∘+sec46∘cosec44∘\frac{\sin 54^{\circ}}{\cos 36^{\circ}}+\frac{\sec 46^{\circ}}{\operatorname{cosec} 44^{\circ}}cos36∘sin54∘+cosec44∘sec46∘
