CBSE BOARD X, asked by MissTrouble, 1 year ago

find the value of sin35.cos55+cos35.sin55

Answers

Answered by prp1

5

sin 35.sin (90-55)+cos 35.cos(90-55)
sin 35.sin35+cos35.cos35
sin^2 35+cos ^2 35
=1

Answered by madhu100

5

sin35.sin(90-55)+cos35.cos(90-55)
sin2 35 + cos2 35
1 (sin2thetha + cos2thetha = 1)

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