cos 60० xcos 30० +sin 60०xsin 30०find the value
Answers
Answered by
2
Answer:
2√3/4
Step-by-step explanation:
cos 60⁰ = 1/2
cos 30⁰ = √3/2
therefore, cos 60⁰ × cos 30⁰ = √3/4
sin 60⁰ = √3/2
sin 30⁰ = 1/2
here also, sin 60⁰ × sin 30⁰ = √3/2
therefore,
√3/4 + √3/4 = 2√3/4
hope it will help you
Answered by
0
Step-by-step explanation:
= 1/2×√3/2+√3/2×1/2
=√3/4+√3/4
=√3+√3/4
=2√3/4
=√3/2
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