find value of :sin 30 degree x cos 45 degree+sin 45 degree x cos 30 degree
Answers
Answered by
0
Step-by-step explanation:
sin30⁰ = 1/2
cos45⁰ = 1√2
sin45⁰ =1√2
cos30⁰ = √3/2
= 1/2 x 1√2 + 1/√2 x √3/2
= 1/2√2 + √3/2√2
Answered by
1
Answer:
( _/3 + 1) / (2_/2)
Step-by-step explanation:
Sin 30° × cos45° + sin 45° × cos 30°
= (1/2) × (1/root2) + (1/ root2)× (root3 /2)
= 1 / 2 root2 + root3 / 2 root2
= (1 + root3) / 2 root2
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