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Chapter 7: Q. 7 (page 485)

True or Falsesin(伪+尾)=sin伪+sin尾+2sin伪sin尾

Short Answer

Expert verified

sin(伪+尾)=sin伪+sin尾+2sin伪sin尾is false.

Step by step solution

01

Step 1. Given information

Given that sin(伪+尾)=sin伪+sin尾+2sin伪sin尾.

We have to tell whether this is true or false.

02

Step 2. Write the sum of sine function formula

The sum of sine function formula is sin(伪+尾)=sin伪cos尾+sin尾cos伪.

Therefore, the given equation is false.

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