A2
B1
C0
D-1
Answer:
2
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What is the value of
tan30∘+cot30∘sec30∘+tan30∘×sin30∘\frac{tan30^\circ+cot30^\circ}{sec30^\circ+tan30^\circ}\times sin30^\circsec30∘+tan30∘tan30∘+cot30∘×sin30∘
Find cos4A−sin4A.cos^4 A - sin^4 A.cos4A−sin4A.