


Sự thú vị và vẻ đẹp của lượng giác trong toán học?
In Stock
$34.99
$29.99
Shipping and Returns Policy
- Deliver to United States » Shipping Policy «
- - Shipping Cost: $5.99
- - Handling time: 2-3 business days
- - Transit time: 7-10 business days
- Eligible for » Returns & Refund Policy « within 30 days from the date of delivery
Find similar items here:
cos15
- sin(15) + sin(x) bằng gì?
- Tính cos^2(15) như thế nào?
- Các bài toán thực tế về tối ưu hóa có thể được giải bằng lượng giác?
- csc(15) = 1 / sin(15) = ?
- Tính cos(45) bằng công thức hạ bậc từ cos(15) như thế nào?
- Range, maximum height, and time of flight of a projectile?
- Tính tổng của dãy số lượng giác có chứa cos15 như thế nào?
- Tính cot^2(15) như thế nào?
- 2sin(15)cos(x) bằng gì?
- Hệ phương trình lượng giác có chứa cos15?
-
Next Day Delivery by USPS
Find out more
Order by 9pm (excludes Public holidays)
$11.99
-
Express Delivery - 48 Hours
Find out more
Order by 9pm (excludes Public holidays)
$9.99
-
Standard Delivery $6.99 Find out more
Delivered within 3 - 7 days (excludes Public holidays).
-
Store Delivery $6.99 Find out more
Delivered to your chosen store within 3-7 days
Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store -
International Delivery Find out more
International Delivery is available for this product. The cost and delivery time depend on the country.
You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.
You have 28 days to return your order from the date it’s delivered. Exclusions apply.
View our full Returns and Exchanges information.
Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.
No reviews yet. Only logged in customers who have purchased this product may leave a review.