Math, asked by seabird1234, 2 months ago

Without using trigonometricul table, find the value of cos x = cos 60° cos 30° + sin 60° sin 30°

Answers

Answered by vl19981994

0

Step-by-step explanation:

cosx=cos60

∘

cos30

∘

+sin60

∘

sin30

∘

cosx=cos(60

∘

−30

∘

)

cosx=cos30

∘

x=30

∘

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