Math, asked by uditworld2642, 11 months ago

Find the value of sin24^;cos66^+sin66^;cos24^.

Answers

Answered by rajeshkumarner69
0

Answer:

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Step-by-step explanation:

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Answered by harendrachoubay
2

The value of \sin24.\cos66+\sin66\cos24 = 1

Step-by-step explanation:

We have,

\sin24.\cos66+\sin66\cos24

To find, the value of \sin24.\cos66+\sin66\cos24 = ?

\sin24.\cos66+\sin66\cos24

= \sin24.\cos(90-24)+\sin(90-24)\cos24

Using the trigonometric identity,

\sin A=\cos (90-A) and

\cos A=\sin (90-A)

= \sin24.\sin24+\cos24.\cos24

=  \sin^224+\cos^224

Using the trigonometric identity,

\sin^2A+\cos^2A = 1

= 1

∴ The value of \sin24.\cos66+\sin66\cos24 = 1

Thus, the value of \sin24.\cos66+\sin66\cos24 = 1

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