cos15+sin15=1/√2 please ans this question I am not able to do this question
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We know that,
sin15= √3-1/2√2
cos15=√3+1/2√2
cos15+sin15=√3+1/2√2 + √3-1/2√2
=2√3/2√2
=√3/√2
=√(3/2)
sin15= √3-1/2√2
cos15=√3+1/2√2
cos15+sin15=√3+1/2√2 + √3-1/2√2
=2√3/2√2
=√3/√2
=√(3/2)
eshu11:
sir please make it more detailed
in what way, you want me to elaborate
should I give derivation of cos15,sin15
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