Lesson#9
Question No. 14
Q14: Reduce sin^4 θ to an expression involving only function of multiples of θ raised to first power.
Ans: sin^4 θ=1/8 [3−4 cos2θ+cos4θ ]
Solve Example # 3 (page # 331) yourself . . .
Trigonometric Identities
Chapter No 10
Exercise No 10.3
Mathematics
part 1
This is the end of Exercise 10.3 , now practice yourself. Thanks.
Question No. 14
Q14: Reduce sin^4 θ to an expression involving only function of multiples of θ raised to first power.
Ans: sin^4 θ=1/8 [3−4 cos2θ+cos4θ ]
Solve Example # 3 (page # 331) yourself . . .
Trigonometric Identities
Chapter No 10
Exercise No 10.3
Mathematics
part 1
This is the end of Exercise 10.3 , now practice yourself. Thanks.
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