1. sin-30° + cos-45° + cos-30° का मान ज्ञात कीजिए।
Answers
Answered by
1
Sin 45°=1/√2
Cos45°=1/√2
sin30°=1/2
Cos30°=√3/2
Therefore
=Sin45°×cos30°+cos45°×sin30°
=1\√2 × √3\2 + 1\√2 × 1\2
=√3\2√2 + 1\2√2
=√3 +1\2√2
Therefore answer is √3+1\2√2
Answered by
0
Answer:
1 1 sqrt 3
--- + ------ + ---------- = 2.07
2 sqrt 2 2
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