角α终边在直线y=x上,∴α=2kπ+π/4或者2kπ+5π/4.(k是整数)
若α=2kπ+π/4,则sinα=二分之根号二,cosα=二分之根号二,tanα=1
若α=2kπ+5π/4,则sinα=-二分之根号二,cosα=-二分之根号二,tanα=1
角α终边在直线y=x上,∴α=2kπ+π/4或者2kπ+5π/4.(k是整数)
若α=2kπ+π/4,则sinα=二分之根号二,cosα=二分之根号二,tanα=1
若α=2kπ+5π/4,则sinα=-二分之根号二,cosα=-二分之根号二,tanα=1