Math, asked by shaswatkasera4, 9 months ago

Prove that
2sin75`sin15`=1/2

Answers

Answered by PharohX

2

Step-by-step explanation:

simple

2(SinA)(SinB)=Cos(A-B)-Cos(A+B)

then,

2sin75sin15= Cos(60)-Cos(90)

= 1/2 - 0

=1/2

guys helpful ho toh like ker do..thank u all

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