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Chapter 8: Q.3 (page 553)

Find an exact value of each expression, without using a calculatorcos62-sin28

Short Answer

Expert verified

The simplified value is0

Step by step solution

01

Step 1. Given information   

The given expression is cos62-sin28

02

Step 2. Convert into the same trigonometrical ratio

The given expression is cos62-sin28

Here, cos90-胃=sin胃

Therefore,role="math" localid="1646652714529" =cos62-sin28=cos(90-28)-sin28=sin(28)-sin28=0

03

Step 3. Conclusion

Hence, the simplified value is0

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