Urgent 98 points find the direction angle of vector v to the nearest tenth of a degree.

 The direction angle of vector v is equal to  

Step-by-step explanation:

Let

The vector v is given by

 Remember that

The direction angle of the vector is equal to

substitute the values

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.

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step-by-step explanation: