Question

CAN ANYONE PLS SOLVE THIS

Answer 1

Answer:

please make sure the question is correct

Answer 2

Answer:

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Step-by-step explanation:

cos50° cos10° - sin 50° sin 10°  

⇒ cos(50° + 10°) ------ [ ∵ cosA cosB - sin A sin B = cos(A+B)].

⇒ cos60°

⇒ 1/2

∴ cos50° cos10° - sin 50° sin 10° = 1/2