Q14 of 90 Page 7

Mark the correct alternative in the following:
If sin (π cos x) = cos (π sin x), then sin 2x =

sin(π cos x)=cos(π sin x)

Put n=0

Take square both side

Mark the correct alternative in the following:

The value of is

Mark the correct alternative in the following:

If then

Mark the correct alternative in the following:

If and then the value of θ + ϕ is

Mark the correct alternative in the following:

The value of cos (36^o – A) cos (36^o + A) + cos (54^o + A) cos (54^o – A) is

Questions · 90

7. Values of Trigonometric Functions at Sum of Difference of Angles

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Mark the correct alternative in the following:If sin (π cos x) = cos (π sin x), then sin 2x =