Question

cos30.CO45+ sin 30. sin45° का मान ज्ञात कीजिए।​

Answer 1

Answer:

cos (15°)

=√3-1/2√2

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Step-by-step explanation:

Answer 2

Answer:

cos 30°. cos 45°. +. sin 30°.sin45°

√3 / 2 . 1/√2 +. 1/2 . 1/√2

√3/2√2. +. 1/2√2

√3 + 1 /. 2√2

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