cos60°cos30° +sin60°sin30°=
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Answer:
As we know that:
cos 60° = 1/2, cos 30° = √3/2, sin 60° = √3/2, sin 30° = 1/2
Substituting all the values in the given expression,
(1/2 × √3/2) + (√3/2 × 1/2)
= √3/4 + √3/4
= 2√3/4
= √3/2
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Step-by-step explanation:
Answered by
0
Answer:
cos 60° = 1/2, cos 30° = √3/2, sin 60° = √3/2, sin 30° = 1/2
Substituting all the values in the given expression,
(1/2 × √3/2) + (√3/2 × 1/2)
= √3/4 + √3/4
= 2√3/4
= √3/2
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