Math, asked by Vasmeen6478, 1 month ago

Find the value of    sin50 sin70 sin10

Answers

Answered by thoratpruthak

0

Answer:

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Step-by-step explanation:

sinA- sin B=2cos

2

A+B

sin

2

A−B

sin50

∘

−sin70

∘

=2cos

2

50

∘

+70

∘

sin

2

50

∘

−70

∘

=−sin10

∘

∴−sin10

∘

+sin10

∘

=0

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