Math, asked by SanidhyaGoel, 1 year ago

Evaluate sin23 cos67+cos23 sin 67

Answers

Answered by nishujha9292

2

Answer:

Step-by-step explanation:

nishujha9292: Sin23cos67+cos23sin67. Cos(90-23)cos67+sin(90-23)sin67. = cos67cos67+sin67sin67= cos2 67+ sin2 67 =1

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